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Finding the Third Proportional to 3,502.62 and 5,416.24

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Solution

The third proportional to 3,502.62 and 5,416.24 is: 8,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.62 : 5,416.24 = 5,416.24 : x
  2. Step 2: Convert to fraction form
    3,502.62/5,416.24 = 5,416.24/x
  3. Step 3: Cross multiply
    3,502.62x = 5,416.24 × 5,416.24
  4. Step 4: Simplify right side
    3,502.62x = 29,335,679.43
  5. Step 5: Solve for x
    x = 29,335,679.43/3,502.62
  6. Step 6: Final answer
    x = 8,375.36

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.