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Finding the Third Proportional to 20,626,940 and 43,712,716

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Solution

The third proportional to 20,626,940 and 43,712,716 is: 92,636,209.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626,940 : 43,712,716 = 43,712,716 : x
  2. Step 2: Convert to fraction form
    20,626,940/43,712,716 = 43,712,716/x
  3. Step 3: Cross multiply
    20,626,940x = 43,712,716 × 43,712,716
  4. Step 4: Simplify right side
    20,626,940x = 1,910,801,540,096,656
  5. Step 5: Solve for x
    x = 1,910,801,540,096,656/20,626,940
  6. Step 6: Final answer
    x = 92,636,209.74

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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.