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Finding the Third Proportional to 3,147.19 and 6,859.27

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Solution

The third proportional to 3,147.19 and 6,859.27 is: 14,949.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.19 : 6,859.27 = 6,859.27 : x
  2. Step 2: Convert to fraction form
    3,147.19/6,859.27 = 6,859.27/x
  3. Step 3: Cross multiply
    3,147.19x = 6,859.27 × 6,859.27
  4. Step 4: Simplify right side
    3,147.19x = 47,049,524.91
  5. Step 5: Solve for x
    x = 47,049,524.91/3,147.19
  6. Step 6: Final answer
    x = 14,949.71

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.