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Finding the Third Proportional to 5,425.31 and 7,327.13

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Solution

The third proportional to 5,425.31 and 7,327.13 is: 9,895.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.31 : 7,327.13 = 7,327.13 : x
  2. Step 2: Convert to fraction form
    5,425.31/7,327.13 = 7,327.13/x
  3. Step 3: Cross multiply
    5,425.31x = 7,327.13 × 7,327.13
  4. Step 4: Simplify right side
    5,425.31x = 53,686,760.77
  5. Step 5: Solve for x
    x = 53,686,760.77/5,425.31
  6. Step 6: Final answer
    x = 9,895.61

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.