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Finding the Third Proportional to 38,739 and 54,552

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Solution

The third proportional to 38,739 and 54,552 is: 76,819.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,739 : 54,552 = 54,552 : x
  2. Step 2: Convert to fraction form
    38,739/54,552 = 54,552/x
  3. Step 3: Cross multiply
    38,739x = 54,552 × 54,552
  4. Step 4: Simplify right side
    38,739x = 2,975,920,704
  5. Step 5: Solve for x
    x = 2,975,920,704/38,739
  6. Step 6: Final answer
    x = 76,819.76

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.