
When you ask "What number is halfway between 42 and 474?" we assume you mean the number in the exact middle of the two numbers on a number line, as illustrated below, where X=42 and Y=474.

To find the number halfway between 42 and 474, we use the following formula:
(X + Y)/2 = Halfway Between
When we enter 42 and 474 into our formula, we get:
(42 + 474)/2 = 258
Thus, the number halfway between 42 and 474 is 258.
To check that our answer is correct, we subtract 42 from 258 and subtract 258 from 474 and compare the two numbers:
258 - 42 = 216
474 - 258 = 216
As you can see, the halfway number is 216 higher than 42 and 216 lower than 474. Therefore, our halfway between answer of 258 above is correct.
Halfway Between
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Halfway Between 42 and 475
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