Halfway Between 45 and 125

When you ask "What number is halfway between 45 and 125?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=45 and Y=125.

Halfway Between Line

To find the number halfway between 45 and 125, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 45 and 125 into our formula, we get:

(45 + 125)/2 = 85

Thus, the number halfway between 45 and 125 is 85.

To check that our answer is correct, we subtract 45 from 85 and subtract 85 from 125 and compare the two numbers:

85 - 45 = 40
125 - 85 = 40

As you can see, the halfway number is 40 higher than 45 and 40 lower than 125. Therefore, our halfway between answer of 85 above is correct.

Halfway Between
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Halfway Between 45 and 126
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