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Finding the Third Proportional to 20,446 and 27,475

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Solution

The third proportional to 20,446 and 27,475 is: 36,920.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,446 : 27,475 = 27,475 : x
  2. Step 2: Convert to fraction form
    20,446/27,475 = 27,475/x
  3. Step 3: Cross multiply
    20,446x = 27,475 × 27,475
  4. Step 4: Simplify right side
    20,446x = 754,875,625
  5. Step 5: Solve for x
    x = 754,875,625/20,446
  6. Step 6: Final answer
    x = 36,920.46

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.