Halfway Between 55 and 89

When you ask "What number is halfway between 55 and 89?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=55 and Y=89.

Halfway Between Line

To find the number halfway between 55 and 89, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 55 and 89 into our formula, we get:

(55 + 89)/2 = 72

Thus, the number halfway between 55 and 89 is 72.

To check that our answer is correct, we subtract 55 from 72 and subtract 72 from 89 and compare the two numbers:

72 - 55 = 17
89 - 72 = 17

As you can see, the halfway number is 17 higher than 55 and 17 lower than 89. Therefore, our halfway between answer of 72 above is correct.

Halfway Between
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Halfway Between 55 and 90
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