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Finding the Third Proportional to 39,570 and 61,467

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Solution

The third proportional to 39,570 and 61,467 is: 95,481.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,570 : 61,467 = 61,467 : x
  2. Step 2: Convert to fraction form
    39,570/61,467 = 61,467/x
  3. Step 3: Cross multiply
    39,570x = 61,467 × 61,467
  4. Step 4: Simplify right side
    39,570x = 3,778,192,089
  5. Step 5: Solve for x
    x = 3,778,192,089/39,570
  6. Step 6: Final answer
    x = 95,481.23

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.