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Finding the Third Proportional to 3,726,891.47 and 7,883,481.46

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Solution

The third proportional to 3,726,891.47 and 7,883,481.46 is: 16,675,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726,891.47 : 7,883,481.46 = 7,883,481.46 : x
  2. Step 2: Convert to fraction form
    3,726,891.47/7,883,481.46 = 7,883,481.46/x
  3. Step 3: Cross multiply
    3,726,891.47x = 7,883,481.46 × 7,883,481.46
  4. Step 4: Simplify right side
    3,726,891.47x = 62,149,279,975,746.02
  5. Step 5: Solve for x
    x = 62,149,279,975,746.02/3,726,891.47
  6. Step 6: Final answer
    x = 16,675,902.80

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.