Finding the Third Proportional to 274 and 392
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Solution
The third proportional to 274 and 392 is: 560.82
Step by Step Solution
- Step 1: Write the proportion equation
274 : 392 = 392 : x - Step 2: Convert to fraction form
274/392 = 392/x - Step 3: Cross multiply
274x = 392 × 392 - Step 4: Simplify right side
274x = 153,664 - Step 5: Solve for x
x = 153,664/274 - Step 6: Final answer
x = 560.82
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.