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Finding the Third Proportional to 7,158.38 and 15,342.75

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Solution

The third proportional to 7,158.38 and 15,342.75 is: 32,884.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.38 : 15,342.75 = 15,342.75 : x
  2. Step 2: Convert to fraction form
    7,158.38/15,342.75 = 15,342.75/x
  3. Step 3: Cross multiply
    7,158.38x = 15,342.75 × 15,342.75
  4. Step 4: Simplify right side
    7,158.38x = 235,399,977.56
  5. Step 5: Solve for x
    x = 235,399,977.56/7,158.38
  6. Step 6: Final answer
    x = 32,884.56

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.