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Finding the Third Proportional to 3,591,803.81 and 5,382,447.19

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Solution

The third proportional to 3,591,803.81 and 5,382,447.19 is: 8,065,790.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591,803.81 : 5,382,447.19 = 5,382,447.19 : x
  2. Step 2: Convert to fraction form
    3,591,803.81/5,382,447.19 = 5,382,447.19/x
  3. Step 3: Cross multiply
    3,591,803.81x = 5,382,447.19 × 5,382,447.19
  4. Step 4: Simplify right side
    3,591,803.81x = 28,970,737,726,226.66
  5. Step 5: Solve for x
    x = 28,970,737,726,226.66/3,591,803.81
  6. Step 6: Final answer
    x = 8,065,790.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.