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Finding the Third Proportional to 6,876.14 and 8,049.38

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Solution

The third proportional to 6,876.14 and 8,049.38 is: 9,422.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,876.14 : 8,049.38 = 8,049.38 : x
  2. Step 2: Convert to fraction form
    6,876.14/8,049.38 = 8,049.38/x
  3. Step 3: Cross multiply
    6,876.14x = 8,049.38 × 8,049.38
  4. Step 4: Simplify right side
    6,876.14x = 64,792,437.89
  5. Step 5: Solve for x
    x = 64,792,437.89/6,876.14
  6. Step 6: Final answer
    x = 9,422.79

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.