Halfway Between 100 and 500

When you ask "What number is halfway between 100 and 500?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=100 and Y=500.

Halfway Between Line

To find the number halfway between 100 and 500, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 100 and 500 into our formula, we get:

(100 + 500)/2 = 300

Thus, the number halfway between 100 and 500 is 300.

To check that our answer is correct, we subtract 100 from 300 and subtract 300 from 500 and compare the two numbers:

300 - 100 = 200
500 - 300 = 200

As you can see, the halfway number is 200 higher than 100 and 200 lower than 500. Therefore, our halfway between answer of 300 above is correct.

Halfway Between
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Halfway Between 100 and 501
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