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Finding the Third Proportional to 11,647,557 and 18,016,425

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Solution

The third proportional to 11,647,557 and 18,016,425 is: 27,867,781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,647,557 : 18,016,425 = 18,016,425 : x
  2. Step 2: Convert to fraction form
    11,647,557/18,016,425 = 18,016,425/x
  3. Step 3: Cross multiply
    11,647,557x = 18,016,425 × 18,016,425
  4. Step 4: Simplify right side
    11,647,557x = 324,591,569,780,625
  5. Step 5: Solve for x
    x = 324,591,569,780,625/11,647,557
  6. Step 6: Final answer
    x = 27,867,781.18

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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.