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Finding the Third Proportional to 18,748.97 and 22,447.13

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Solution

The third proportional to 18,748.97 and 22,447.13 is: 26,874.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748.97 : 22,447.13 = 22,447.13 : x
  2. Step 2: Convert to fraction form
    18,748.97/22,447.13 = 22,447.13/x
  3. Step 3: Cross multiply
    18,748.97x = 22,447.13 × 22,447.13
  4. Step 4: Simplify right side
    18,748.97x = 503,873,420.77
  5. Step 5: Solve for x
    x = 503,873,420.77/18,748.97
  6. Step 6: Final answer
    x = 26,874.73

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.