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Finding the Third Proportional to 87,863,539 and 182,999,420

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Solution

The third proportional to 87,863,539 and 182,999,420 is: 381,145,445.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,863,539 : 182,999,420 = 182,999,420 : x
  2. Step 2: Convert to fraction form
    87,863,539/182,999,420 = 182,999,420/x
  3. Step 3: Cross multiply
    87,863,539x = 182,999,420 × 182,999,420
  4. Step 4: Simplify right side
    87,863,539x = 33,488,787,720,336,400
  5. Step 5: Solve for x
    x = 33,488,787,720,336,400/87,863,539
  6. Step 6: Final answer
    x = 381,145,445.56

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.