Finding the Third Proportional to 374 and 398
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Solution
The third proportional to 374 and 398 is: 423.54
Step by Step Solution
- Step 1: Write the proportion equation
374 : 398 = 398 : x - Step 2: Convert to fraction form
374/398 = 398/x - Step 3: Cross multiply
374x = 398 × 398 - Step 4: Simplify right side
374x = 158,404 - Step 5: Solve for x
x = 158,404/374 - Step 6: Final answer
x = 423.54
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