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Finding the Third Proportional to 20,626,942 and 43,712,720

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Solution

The third proportional to 20,626,942 and 43,712,720 is: 92,636,217.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626,942 : 43,712,720 = 43,712,720 : x
  2. Step 2: Convert to fraction form
    20,626,942/43,712,720 = 43,712,720/x
  3. Step 3: Cross multiply
    20,626,942x = 43,712,720 × 43,712,720
  4. Step 4: Simplify right side
    20,626,942x = 1,910,801,889,798,400
  5. Step 5: Solve for x
    x = 1,910,801,889,798,400/20,626,942
  6. Step 6: Final answer
    x = 92,636,217.71

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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.