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Finding the Third Proportional to 18,864,760 and 40,419,040

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Solution

The third proportional to 18,864,760 and 40,419,040 is: 86,600,560.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864,760 : 40,419,040 = 40,419,040 : x
  2. Step 2: Convert to fraction form
    18,864,760/40,419,040 = 40,419,040/x
  3. Step 3: Cross multiply
    18,864,760x = 40,419,040 × 40,419,040
  4. Step 4: Simplify right side
    18,864,760x = 1,633,698,794,521,600
  5. Step 5: Solve for x
    x = 1,633,698,794,521,600/18,864,760
  6. Step 6: Final answer
    x = 86,600,560.76

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.