When you ask "What number is halfway between 74 and 189?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=74 and Y=189.
To find the number halfway between 74 and 189, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 74 and 189 into our formula, we get:
(74 + 189)/2 = 131.5
Thus, the number halfway between 74 and 189 is 131.5.
To check that our answer is correct, we subtract 74 from 131.5 and subtract 131.5 from 189 and compare the two numbers:
131.5 - 74 = 57.5
189 - 131.5 = 57.5
As you can see, the halfway number is 57.5 higher than 74 and 57.5 lower than 189. Therefore, our halfway between answer of 131.5 above is correct.
Halfway Between
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Halfway Between 74 and 190
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