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Finding the Third Proportional to 3,855,772.13 and 8,468,200.69

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Solution

The third proportional to 3,855,772.13 and 8,468,200.69 is: 18,598,200.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855,772.13 : 8,468,200.69 = 8,468,200.69 : x
  2. Step 2: Convert to fraction form
    3,855,772.13/8,468,200.69 = 8,468,200.69/x
  3. Step 3: Cross multiply
    3,855,772.13x = 8,468,200.69 × 8,468,200.69
  4. Step 4: Simplify right side
    3,855,772.13x = 71,710,422,883,775.47
  5. Step 5: Solve for x
    x = 71,710,422,883,775.47/3,855,772.13
  6. Step 6: Final answer
    x = 18,598,200.45

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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.