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Finding the Third Proportional to 8,656,755 and 18,471,558

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Solution

The third proportional to 8,656,755 and 18,471,558 is: 39,414,128.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,656,755 : 18,471,558 = 18,471,558 : x
  2. Step 2: Convert to fraction form
    8,656,755/18,471,558 = 18,471,558/x
  3. Step 3: Cross multiply
    8,656,755x = 18,471,558 × 18,471,558
  4. Step 4: Simplify right side
    8,656,755x = 341,198,454,947,364
  5. Step 5: Solve for x
    x = 341,198,454,947,364/8,656,755
  6. Step 6: Final answer
    x = 39,414,128.61

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.