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Finding the Third Proportional to 3,400.10 and 7,318.48

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Solution

The third proportional to 3,400.10 and 7,318.48 is: 15,752.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.10 : 7,318.48 = 7,318.48 : x
  2. Step 2: Convert to fraction form
    3,400.10/7,318.48 = 7,318.48/x
  3. Step 3: Cross multiply
    3,400.10x = 7,318.48 × 7,318.48
  4. Step 4: Simplify right side
    3,400.10x = 53,560,099.20
  5. Step 5: Solve for x
    x = 53,560,099.20/3,400.10
  6. Step 6: Final answer
    x = 15,752.50

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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.