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Finding the Third Proportional to 20,793.38 and 27,713.81

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Solution

The third proportional to 20,793.38 and 27,713.81 is: 36,937.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,793.38 : 27,713.81 = 27,713.81 : x
  2. Step 2: Convert to fraction form
    20,793.38/27,713.81 = 27,713.81/x
  3. Step 3: Cross multiply
    20,793.38x = 27,713.81 × 27,713.81
  4. Step 4: Simplify right side
    20,793.38x = 768,055,403.29
  5. Step 5: Solve for x
    x = 768,055,403.29/20,793.38
  6. Step 6: Final answer
    x = 36,937.51

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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.