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Finding the Third Proportional to 20,149,446 and 30,283,221

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Solution

The third proportional to 20,149,446 and 30,283,221 is: 45,513,582.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149,446 : 30,283,221 = 30,283,221 : x
  2. Step 2: Convert to fraction form
    20,149,446/30,283,221 = 30,283,221/x
  3. Step 3: Cross multiply
    20,149,446x = 30,283,221 × 30,283,221
  4. Step 4: Simplify right side
    20,149,446x = 917,073,474,134,841
  5. Step 5: Solve for x
    x = 917,073,474,134,841/20,149,446
  6. Step 6: Final answer
    x = 45,513,582.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.