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Finding the Third Proportional to 20,687,794.11 and 43,897,338.06

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Solution

The third proportional to 20,687,794.11 and 43,897,338.06 is: 93,145,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,687,794.11 : 43,897,338.06 = 43,897,338.06 : x
  2. Step 2: Convert to fraction form
    20,687,794.11/43,897,338.06 = 43,897,338.06/x
  3. Step 3: Cross multiply
    20,687,794.11x = 43,897,338.06 × 43,897,338.06
  4. Step 4: Simplify right side
    20,687,794.11x = 1,926,976,288,973,411.25
  5. Step 5: Solve for x
    x = 1,926,976,288,973,411.25/20,687,794.11
  6. Step 6: Final answer
    x = 93,145,565.87

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.