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Finding the Third Proportional to 29,750 and 39,660

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Solution

The third proportional to 29,750 and 39,660 is: 52,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,750 : 39,660 = 39,660 : x
  2. Step 2: Convert to fraction form
    29,750/39,660 = 39,660/x
  3. Step 3: Cross multiply
    29,750x = 39,660 × 39,660
  4. Step 4: Simplify right side
    29,750x = 1,572,915,600
  5. Step 5: Solve for x
    x = 1,572,915,600/29,750
  6. Step 6: Final answer
    x = 52,871.11

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.