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Finding the Third Proportional to 6,986 and 10,474

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Solution

The third proportional to 6,986 and 10,474 is: 15,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986 : 10,474 = 10,474 : x
  2. Step 2: Convert to fraction form
    6,986/10,474 = 10,474/x
  3. Step 3: Cross multiply
    6,986x = 10,474 × 10,474
  4. Step 4: Simplify right side
    6,986x = 109,704,676
  5. Step 5: Solve for x
    x = 109,704,676/6,986
  6. Step 6: Final answer
    x = 15,703.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.