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Finding the Third Proportional to 1,987,777.97 and 4,366,060.73

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Solution

The third proportional to 1,987,777.97 and 4,366,060.73 is: 9,589,846.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,777.97 : 4,366,060.73 = 4,366,060.73 : x
  2. Step 2: Convert to fraction form
    1,987,777.97/4,366,060.73 = 4,366,060.73/x
  3. Step 3: Cross multiply
    1,987,777.97x = 4,366,060.73 × 4,366,060.73
  4. Step 4: Simplify right side
    1,987,777.97x = 19,062,486,336,251.16
  5. Step 5: Solve for x
    x = 19,062,486,336,251.16/1,987,777.97
  6. Step 6: Final answer
    x = 9,589,846.87

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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.