"What I believe is that it's directly proportional to hard work and experience," he said.

It might have been thought that the time would be directly proportional to the distance.

"It's directly proportional to the way we do on the field," Williams said.

It is directly proportional to the mass of air over that location.

To these the extent of death is directly proportional to their personal welfare.

Attention to weight seems to be directly proportional to how far you are hiking.

Job happiness is directly proportional to the distance you are from the home office.

In linear systems, effect is always directly proportional to cause.

Again, the increase is not directly proportional to the blocking factor.

However, I do not know what you mean by "electricity being directly proportional to the electrical field".

The amount of lift is directly proportional to the circulation.

So how far you go is directly proportional to how fast.

The result of the test/exam will be directly proportional to the daughter's status.

The quality of the image produced is directly proportional to the frequency used.

If one variable is always the product of the other and a constant, the two are said to be directly proportional.

The increase seems to be directly proportional to the amount of power we expend.

As we know that charge dispersed is directly proportional to stability.

There is no reason that a photon's mass should be directly proportional to its energy.

Also, the volume of the gas is directly proportional to the absolute temperature.

The fuel loss is directly proportional to energy use.

The program's run-time is directly proportional to its input size.

This change is directly proportional to the level of biotin in the sample.

For most practical purposes, fluid level is directly proportional to pressure.

It is directly proportional to the pressure exerted on the electrons.

It suddenly occurred to me that recovery time might be directly proportional to size of the individual involved.