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Finding the Third Proportional to 3,410.44 and 7,921.13

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Solution

The third proportional to 3,410.44 and 7,921.13 is: 18,397.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.44 : 7,921.13 = 7,921.13 : x
  2. Step 2: Convert to fraction form
    3,410.44/7,921.13 = 7,921.13/x
  3. Step 3: Cross multiply
    3,410.44x = 7,921.13 × 7,921.13
  4. Step 4: Simplify right side
    3,410.44x = 62,744,221.27
  5. Step 5: Solve for x
    x = 62,744,221.27/3,410.44
  6. Step 6: Final answer
    x = 18,397.70

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.