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Finding the Third Proportional to 20,869,620 and 27,443,448

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Solution

The third proportional to 20,869,620 and 27,443,448 is: 36,087,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,869,620 : 27,443,448 = 27,443,448 : x
  2. Step 2: Convert to fraction form
    20,869,620/27,443,448 = 27,443,448/x
  3. Step 3: Cross multiply
    20,869,620x = 27,443,448 × 27,443,448
  4. Step 4: Simplify right side
    20,869,620x = 753,142,838,128,704
  5. Step 5: Solve for x
    x = 753,142,838,128,704/20,869,620
  6. Step 6: Final answer
    x = 36,087,999.60

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.