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Finding the Third Proportional to 18,180,655.50 and 39,245,691

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Solution

The third proportional to 18,180,655.50 and 39,245,691 is: 84,717,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180,655.50 : 39,245,691 = 39,245,691 : x
  2. Step 2: Convert to fraction form
    18,180,655.50/39,245,691 = 39,245,691/x
  3. Step 3: Cross multiply
    18,180,655.50x = 39,245,691 × 39,245,691
  4. Step 4: Simplify right side
    18,180,655.50x = 1,540,224,262,067,481
  5. Step 5: Solve for x
    x = 1,540,224,262,067,481/18,180,655.50
  6. Step 6: Final answer
    x = 84,717,751.90

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.