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Finding the Third Proportional to 3,512.11 and 7,753.22

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Solution

The third proportional to 3,512.11 and 7,753.22 is: 17,115.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.11 : 7,753.22 = 7,753.22 : x
  2. Step 2: Convert to fraction form
    3,512.11/7,753.22 = 7,753.22/x
  3. Step 3: Cross multiply
    3,512.11x = 7,753.22 × 7,753.22
  4. Step 4: Simplify right side
    3,512.11x = 60,112,400.99
  5. Step 5: Solve for x
    x = 60,112,400.99/3,512.11
  6. Step 6: Final answer
    x = 17,115.75

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.