Finding the Third Proportional to 339 and 481
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Solution
The third proportional to 339 and 481 is: 682.48
Step by Step Solution
- Step 1: Write the proportion equation
339 : 481 = 481 : x - Step 2: Convert to fraction form
339/481 = 481/x - Step 3: Cross multiply
339x = 481 × 481 - Step 4: Simplify right side
339x = 231,361 - Step 5: Solve for x
x = 231,361/339 - Step 6: Final answer
x = 682.48
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Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.