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Finding the Third Proportional to 20,193,538 and 31,327,437

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Solution

The third proportional to 20,193,538 and 31,327,437 is: 48,600,116.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193,538 : 31,327,437 = 31,327,437 : x
  2. Step 2: Convert to fraction form
    20,193,538/31,327,437 = 31,327,437/x
  3. Step 3: Cross multiply
    20,193,538x = 31,327,437 × 31,327,437
  4. Step 4: Simplify right side
    20,193,538x = 981,408,308,988,969
  5. Step 5: Solve for x
    x = 981,408,308,988,969/20,193,538
  6. Step 6: Final answer
    x = 48,600,116.98

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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.