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Finding the Third Proportional to 5,115.66 and 6,049.69

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Solution

The third proportional to 5,115.66 and 6,049.69 is: 7,154.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115.66 : 6,049.69 = 6,049.69 : x
  2. Step 2: Convert to fraction form
    5,115.66/6,049.69 = 6,049.69/x
  3. Step 3: Cross multiply
    5,115.66x = 6,049.69 × 6,049.69
  4. Step 4: Simplify right side
    5,115.66x = 36,598,718.85
  5. Step 5: Solve for x
    x = 36,598,718.85/5,115.66
  6. Step 6: Final answer
    x = 7,154.26

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.