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Finding the Third Proportional to 6,782 and 10,137

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Solution

The third proportional to 6,782 and 10,137 is: 15,151.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782 : 10,137 = 10,137 : x
  2. Step 2: Convert to fraction form
    6,782/10,137 = 10,137/x
  3. Step 3: Cross multiply
    6,782x = 10,137 × 10,137
  4. Step 4: Simplify right side
    6,782x = 102,758,769
  5. Step 5: Solve for x
    x = 102,758,769/6,782
  6. Step 6: Final answer
    x = 15,151.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.