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Finding the Third Proportional to 8,332,872 and 18,261,120

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Solution

The third proportional to 8,332,872 and 18,261,120 is: 40,018,435.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332,872 : 18,261,120 = 18,261,120 : x
  2. Step 2: Convert to fraction form
    8,332,872/18,261,120 = 18,261,120/x
  3. Step 3: Cross multiply
    8,332,872x = 18,261,120 × 18,261,120
  4. Step 4: Simplify right side
    8,332,872x = 333,468,503,654,400
  5. Step 5: Solve for x
    x = 333,468,503,654,400/8,332,872
  6. Step 6: Final answer
    x = 40,018,435.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.