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Finding the Third Proportional to 3,420,843.50 and 7,384,063

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Solution

The third proportional to 3,420,843.50 and 7,384,063 is: 15,938,871.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,843.50 : 7,384,063 = 7,384,063 : x
  2. Step 2: Convert to fraction form
    3,420,843.50/7,384,063 = 7,384,063/x
  3. Step 3: Cross multiply
    3,420,843.50x = 7,384,063 × 7,384,063
  4. Step 4: Simplify right side
    3,420,843.50x = 54,524,386,387,969
  5. Step 5: Solve for x
    x = 54,524,386,387,969/3,420,843.50
  6. Step 6: Final answer
    x = 15,938,871.92

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.