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Finding the Third Proportional to 20,193,509 and 31,327,394

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Solution

The third proportional to 20,193,509 and 31,327,394 is: 48,600,053.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193,509 : 31,327,394 = 31,327,394 : x
  2. Step 2: Convert to fraction form
    20,193,509/31,327,394 = 31,327,394/x
  3. Step 3: Cross multiply
    20,193,509x = 31,327,394 × 31,327,394
  4. Step 4: Simplify right side
    20,193,509x = 981,405,614,831,236
  5. Step 5: Solve for x
    x = 981,405,614,831,236/20,193,509
  6. Step 6: Final answer
    x = 48,600,053.36

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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.