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Finding the Third Proportional to 8,830 and 15,500

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Solution

The third proportional to 8,830 and 15,500 is: 27,208.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830 : 15,500 = 15,500 : x
  2. Step 2: Convert to fraction form
    8,830/15,500 = 15,500/x
  3. Step 3: Cross multiply
    8,830x = 15,500 × 15,500
  4. Step 4: Simplify right side
    8,830x = 240,250,000
  5. Step 5: Solve for x
    x = 240,250,000/8,830
  6. Step 6: Final answer
    x = 27,208.38

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.