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Finding the Third Proportional to 6,942.38 and 15,190.88

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Solution

The third proportional to 6,942.38 and 15,190.88 is: 33,239.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942.38 : 15,190.88 = 15,190.88 : x
  2. Step 2: Convert to fraction form
    6,942.38/15,190.88 = 15,190.88/x
  3. Step 3: Cross multiply
    6,942.38x = 15,190.88 × 15,190.88
  4. Step 4: Simplify right side
    6,942.38x = 230,762,683.27
  5. Step 5: Solve for x
    x = 230,762,683.27/6,942.38
  6. Step 6: Final answer
    x = 33,239.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.