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Finding the Third Proportional to 7,591 and 11,540

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Solution

The third proportional to 7,591 and 11,540 is: 17,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591 : 11,540 = 11,540 : x
  2. Step 2: Convert to fraction form
    7,591/11,540 = 11,540/x
  3. Step 3: Cross multiply
    7,591x = 11,540 × 11,540
  4. Step 4: Simplify right side
    7,591x = 133,171,600
  5. Step 5: Solve for x
    x = 133,171,600/7,591
  6. Step 6: Final answer
    x = 17,543.35

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.