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Finding the Third Proportional to 18,942,134 and 40,840,936

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Solution

The third proportional to 18,942,134 and 40,840,936 is: 88,056,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,942,134 : 40,840,936 = 40,840,936 : x
  2. Step 2: Convert to fraction form
    18,942,134/40,840,936 = 40,840,936/x
  3. Step 3: Cross multiply
    18,942,134x = 40,840,936 × 40,840,936
  4. Step 4: Simplify right side
    18,942,134x = 1,667,982,053,356,096
  5. Step 5: Solve for x
    x = 1,667,982,053,356,096/18,942,134
  6. Step 6: Final answer
    x = 88,056,712.79

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.