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Finding the Third Proportional to 40,721,544 and 87,272,280

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Solution

The third proportional to 40,721,544 and 87,272,280 is: 187,037,378.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,721,544 : 87,272,280 = 87,272,280 : x
  2. Step 2: Convert to fraction form
    40,721,544/87,272,280 = 87,272,280/x
  3. Step 3: Cross multiply
    40,721,544x = 87,272,280 × 87,272,280
  4. Step 4: Simplify right side
    40,721,544x = 7,616,450,856,398,400
  5. Step 5: Solve for x
    x = 7,616,450,856,398,400/40,721,544
  6. Step 6: Final answer
    x = 187,037,378.95

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.