Halfway Between 72 and 205

When you ask "What number is halfway between 72 and 205?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=72 and Y=205.

Halfway Between Line

To find the number halfway between 72 and 205, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 72 and 205 into our formula, we get:

(72 + 205)/2 = 138.5

Thus, the number halfway between 72 and 205 is 138.5.

To check that our answer is correct, we subtract 72 from 138.5 and subtract 138.5 from 205 and compare the two numbers:

138.5 - 72 = 66.5
205 - 138.5 = 66.5

As you can see, the halfway number is 66.5 higher than 72 and 66.5 lower than 205. Therefore, our halfway between answer of 138.5 above is correct.

Halfway Between
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Halfway Between 72 and 206
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