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Finding the Third Proportional to 20,993 and 29,353

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Solution

The third proportional to 20,993 and 29,353 is: 41,042.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,993 : 29,353 = 29,353 : x
  2. Step 2: Convert to fraction form
    20,993/29,353 = 29,353/x
  3. Step 3: Cross multiply
    20,993x = 29,353 × 29,353
  4. Step 4: Simplify right side
    20,993x = 861,598,609
  5. Step 5: Solve for x
    x = 861,598,609/20,993
  6. Step 6: Final answer
    x = 41,042.19

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.