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Finding the Third Proportional to 6,782 and 10,371

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Solution

The third proportional to 6,782 and 10,371 is: 15,859.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782 : 10,371 = 10,371 : x
  2. Step 2: Convert to fraction form
    6,782/10,371 = 10,371/x
  3. Step 3: Cross multiply
    6,782x = 10,371 × 10,371
  4. Step 4: Simplify right side
    6,782x = 107,557,641
  5. Step 5: Solve for x
    x = 107,557,641/6,782
  6. Step 6: Final answer
    x = 15,859.28

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.