When you ask "What number is halfway between 22 and 729?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=22 and Y=729.
To find the number halfway between 22 and 729, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 22 and 729 into our formula, we get:
(22 + 729)/2 = 375.5
Thus, the number halfway between 22 and 729 is 375.5.
To check that our answer is correct, we subtract 22 from 375.5 and subtract 375.5 from 729 and compare the two numbers:
375.5 - 22 = 353.5
729 - 375.5 = 353.5
As you can see, the halfway number is 353.5 higher than 22 and 353.5 lower than 729. Therefore, our halfway between answer of 375.5 above is correct.
Halfway Between
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Halfway Between 22 and 730
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