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Finding the Third Proportional to 6,342.38 and 9,858.75

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Solution

The third proportional to 6,342.38 and 9,858.75 is: 15,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,342.38 : 9,858.75 = 9,858.75 : x
  2. Step 2: Convert to fraction form
    6,342.38/9,858.75 = 9,858.75/x
  3. Step 3: Cross multiply
    6,342.38x = 9,858.75 × 9,858.75
  4. Step 4: Simplify right side
    6,342.38x = 97,194,951.56
  5. Step 5: Solve for x
    x = 97,194,951.56/6,342.38
  6. Step 6: Final answer
    x = 15,324.69

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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.