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Finding the Third Proportional to 6,131 and 8,668

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Solution

The third proportional to 6,131 and 8,668 is: 12,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,131 : 8,668 = 8,668 : x
  2. Step 2: Convert to fraction form
    6,131/8,668 = 8,668/x
  3. Step 3: Cross multiply
    6,131x = 8,668 × 8,668
  4. Step 4: Simplify right side
    6,131x = 75,134,224
  5. Step 5: Solve for x
    x = 75,134,224/6,131
  6. Step 6: Final answer
    x = 12,254.81

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.