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Finding the Third Proportional to 39,887 and 61,753

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Solution

The third proportional to 39,887 and 61,753 is: 95,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,887 : 61,753 = 61,753 : x
  2. Step 2: Convert to fraction form
    39,887/61,753 = 61,753/x
  3. Step 3: Cross multiply
    39,887x = 61,753 × 61,753
  4. Step 4: Simplify right side
    39,887x = 3,813,433,009
  5. Step 5: Solve for x
    x = 3,813,433,009/39,887
  6. Step 6: Final answer
    x = 95,605.91

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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.