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Finding the Third Proportional to 8,192.25 and 9,965.25

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Solution

The third proportional to 8,192.25 and 9,965.25 is: 12,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,192.25 : 9,965.25 = 9,965.25 : x
  2. Step 2: Convert to fraction form
    8,192.25/9,965.25 = 9,965.25/x
  3. Step 3: Cross multiply
    8,192.25x = 9,965.25 × 9,965.25
  4. Step 4: Simplify right side
    8,192.25x = 99,306,207.56
  5. Step 5: Solve for x
    x = 99,306,207.56/8,192.25
  6. Step 6: Final answer
    x = 12,121.97

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Why These Related Problems?

These problems maintain the same ratio (1.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.