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Finding the Third Proportional to 80,866,800 and 115,640,463

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Solution

The third proportional to 80,866,800 and 115,640,463 is: 165,367,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,866,800 : 115,640,463 = 115,640,463 : x
  2. Step 2: Convert to fraction form
    80,866,800/115,640,463 = 115,640,463/x
  3. Step 3: Cross multiply
    80,866,800x = 115,640,463 × 115,640,463
  4. Step 4: Simplify right side
    80,866,800x = 13,372,716,682,854,368
  5. Step 5: Solve for x
    x = 13,372,716,682,854,368/80,866,800
  6. Step 6: Final answer
    x = 165,367,204.87

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.