Finding the Third Proportional to 346 and 398
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Solution
The third proportional to 346 and 398 is: 457.82
Step by Step Solution
- Step 1: Write the proportion equation
346 : 398 = 398 : x - Step 2: Convert to fraction form
346/398 = 398/x - Step 3: Cross multiply
346x = 398 × 398 - Step 4: Simplify right side
346x = 158,404 - Step 5: Solve for x
x = 158,404/346 - Step 6: Final answer
x = 457.82
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