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Finding the Third Proportional to 6,321 and 9,481.31

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Solution

The third proportional to 6,321 and 9,481.31 is: 14,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321 : 9,481.31 = 9,481.31 : x
  2. Step 2: Convert to fraction form
    6,321/9,481.31 = 9,481.31/x
  3. Step 3: Cross multiply
    6,321x = 9,481.31 × 9,481.31
  4. Step 4: Simplify right side
    6,321x = 89,895,286.72
  5. Step 5: Solve for x
    x = 89,895,286.72/6,321
  6. Step 6: Final answer
    x = 14,221.69

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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.