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Finding the Third Proportional to 18,266,959.69 and 40,149,759.38

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Solution

The third proportional to 18,266,959.69 and 40,149,759.38 is: 88,246,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266,959.69 : 40,149,759.38 = 40,149,759.38 : x
  2. Step 2: Convert to fraction form
    18,266,959.69/40,149,759.38 = 40,149,759.38/x
  3. Step 3: Cross multiply
    18,266,959.69x = 40,149,759.38 × 40,149,759.38
  4. Step 4: Simplify right side
    18,266,959.69x = 1,612,003,177,870,400.50
  5. Step 5: Solve for x
    x = 1,612,003,177,870,400.50/18,266,959.69
  6. Step 6: Final answer
    x = 88,246,933.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.