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Finding the Third Proportional to 20,791,201.50 and 32,320,845.28

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Solution

The third proportional to 20,791,201.50 and 32,320,845.28 is: 50,244,188.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,791,201.50 : 32,320,845.28 = 32,320,845.28 : x
  2. Step 2: Convert to fraction form
    20,791,201.50/32,320,845.28 = 32,320,845.28/x
  3. Step 3: Cross multiply
    20,791,201.50x = 32,320,845.28 × 32,320,845.28
  4. Step 4: Simplify right side
    20,791,201.50x = 1,044,637,039,694,500.38
  5. Step 5: Solve for x
    x = 1,044,637,039,694,500.38/20,791,201.50
  6. Step 6: Final answer
    x = 50,244,188.13

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.