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Finding the Third Proportional to 9,591 and 11,175

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Solution

The third proportional to 9,591 and 11,175 is: 13,020.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,591 : 11,175 = 11,175 : x
  2. Step 2: Convert to fraction form
    9,591/11,175 = 11,175/x
  3. Step 3: Cross multiply
    9,591x = 11,175 × 11,175
  4. Step 4: Simplify right side
    9,591x = 124,880,625
  5. Step 5: Solve for x
    x = 124,880,625/9,591
  6. Step 6: Final answer
    x = 13,020.61

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.