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Finding the Third Proportional to 9,165 and 12,481.50

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Solution

The third proportional to 9,165 and 12,481.50 is: 16,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,165 : 12,481.50 = 12,481.50 : x
  2. Step 2: Convert to fraction form
    9,165/12,481.50 = 12,481.50/x
  3. Step 3: Cross multiply
    9,165x = 12,481.50 × 12,481.50
  4. Step 4: Simplify right side
    9,165x = 155,787,842.25
  5. Step 5: Solve for x
    x = 155,787,842.25/9,165
  6. Step 6: Final answer
    x = 16,998.13

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.