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Finding the Third Proportional to 7,132 and 15,500

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Solution

The third proportional to 7,132 and 15,500 is: 33,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132 : 15,500 = 15,500 : x
  2. Step 2: Convert to fraction form
    7,132/15,500 = 15,500/x
  3. Step 3: Cross multiply
    7,132x = 15,500 × 15,500
  4. Step 4: Simplify right side
    7,132x = 240,250,000
  5. Step 5: Solve for x
    x = 240,250,000/7,132
  6. Step 6: Final answer
    x = 33,686.20

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.