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Finding the Third Proportional to 3,428,449.50 and 7,372,869

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Solution

The third proportional to 3,428,449.50 and 7,372,869 is: 15,855,329.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428,449.50 : 7,372,869 = 7,372,869 : x
  2. Step 2: Convert to fraction form
    3,428,449.50/7,372,869 = 7,372,869/x
  3. Step 3: Cross multiply
    3,428,449.50x = 7,372,869 × 7,372,869
  4. Step 4: Simplify right side
    3,428,449.50x = 54,359,197,291,161
  5. Step 5: Solve for x
    x = 54,359,197,291,161/3,428,449.50
  6. Step 6: Final answer
    x = 15,855,329.73

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.