Halfway Between 88 and 221

When you ask "What number is halfway between 88 and 221?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=88 and Y=221.

Halfway Between Line

To find the number halfway between 88 and 221, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 88 and 221 into our formula, we get:

(88 + 221)/2 = 154.5

Thus, the number halfway between 88 and 221 is 154.5.

To check that our answer is correct, we subtract 88 from 154.5 and subtract 154.5 from 221 and compare the two numbers:

154.5 - 88 = 66.5
221 - 154.5 = 66.5

As you can see, the halfway number is 66.5 higher than 88 and 66.5 lower than 221. Therefore, our halfway between answer of 154.5 above is correct.

Halfway Between
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Halfway Between 88 and 222
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