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Finding the Third Proportional to 18,327,791 and 36,192,991

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Solution

The third proportional to 18,327,791 and 36,192,991 is: 71,472,475.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,327,791 : 36,192,991 = 36,192,991 : x
  2. Step 2: Convert to fraction form
    18,327,791/36,192,991 = 36,192,991/x
  3. Step 3: Cross multiply
    18,327,791x = 36,192,991 × 36,192,991
  4. Step 4: Simplify right side
    18,327,791x = 1,309,932,597,526,081
  5. Step 5: Solve for x
    x = 1,309,932,597,526,081/18,327,791
  6. Step 6: Final answer
    x = 71,472,475.74

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.