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Finding the Third Proportional to 8,332,876 and 18,261,128

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Solution

The third proportional to 8,332,876 and 18,261,128 is: 40,018,451.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332,876 : 18,261,128 = 18,261,128 : x
  2. Step 2: Convert to fraction form
    8,332,876/18,261,128 = 18,261,128/x
  3. Step 3: Cross multiply
    8,332,876x = 18,261,128 × 18,261,128
  4. Step 4: Simplify right side
    8,332,876x = 333,468,795,832,384
  5. Step 5: Solve for x
    x = 333,468,795,832,384/8,332,876
  6. Step 6: Final answer
    x = 40,018,451.71

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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.