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Finding the Third Proportional to 6,489 and 9,734

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Solution

The third proportional to 6,489 and 9,734 is: 14,601.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,489 : 9,734 = 9,734 : x
  2. Step 2: Convert to fraction form
    6,489/9,734 = 9,734/x
  3. Step 3: Cross multiply
    6,489x = 9,734 × 9,734
  4. Step 4: Simplify right side
    6,489x = 94,750,756
  5. Step 5: Solve for x
    x = 94,750,756/6,489
  6. Step 6: Final answer
    x = 14,601.75

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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.