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Finding the Third Proportional to 20,234 and 29,691

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Solution

The third proportional to 20,234 and 29,691 is: 43,568.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,234 : 29,691 = 29,691 : x
  2. Step 2: Convert to fraction form
    20,234/29,691 = 29,691/x
  3. Step 3: Cross multiply
    20,234x = 29,691 × 29,691
  4. Step 4: Simplify right side
    20,234x = 881,555,481
  5. Step 5: Solve for x
    x = 881,555,481/20,234
  6. Step 6: Final answer
    x = 43,568.03

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.