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Finding the Third Proportional to 461 and 542

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Solution

The third proportional to 461 and 542 is: 637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    461 : 542 = 542 : x
  2. Step 2: Convert to fraction form
    461/542 = 542/x
  3. Step 3: Cross multiply
    461x = 542 × 542
  4. Step 4: Simplify right side
    461x = 293,764
  5. Step 5: Solve for x
    x = 293,764/461
  6. Step 6: Final answer
    x = 637.23

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.