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Finding the Third Proportional to 8,042 and 9,500

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Solution

The third proportional to 8,042 and 9,500 is: 11,222.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,042 : 9,500 = 9,500 : x
  2. Step 2: Convert to fraction form
    8,042/9,500 = 9,500/x
  3. Step 3: Cross multiply
    8,042x = 9,500 × 9,500
  4. Step 4: Simplify right side
    8,042x = 90,250,000
  5. Step 5: Solve for x
    x = 90,250,000/8,042
  6. Step 6: Final answer
    x = 11,222.33

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Why These Related Problems?

These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.