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Finding the Third Proportional to 62,624 and 85,872

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Solution

The third proportional to 62,624 and 85,872 is: 117,750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,624 : 85,872 = 85,872 : x
  2. Step 2: Convert to fraction form
    62,624/85,872 = 85,872/x
  3. Step 3: Cross multiply
    62,624x = 85,872 × 85,872
  4. Step 4: Simplify right side
    62,624x = 7,374,000,384
  5. Step 5: Solve for x
    x = 7,374,000,384/62,624
  6. Step 6: Final answer
    x = 117,750.39

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.