Halfway Between 23 and 691

When you ask "What number is halfway between 23 and 691?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=23 and Y=691.

Halfway Between Line

To find the number halfway between 23 and 691, we use the following formula:

(X + Y)/2 = Halfway Between

When we enter 23 and 691 into our formula, we get:

(23 + 691)/2 = 357

Thus, the number halfway between 23 and 691 is 357.

To check that our answer is correct, we subtract 23 from 357 and subtract 357 from 691 and compare the two numbers:

357 - 23 = 334
691 - 357 = 334

As you can see, the halfway number is 334 higher than 23 and 334 lower than 691. Therefore, our halfway between answer of 357 above is correct.

Halfway Between
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Halfway Between 23 and 692
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