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Finding the Third Proportional to 3,112.88 and 5,232.94

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Solution

The third proportional to 3,112.88 and 5,232.94 is: 8,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,112.88 : 5,232.94 = 5,232.94 : x
  2. Step 2: Convert to fraction form
    3,112.88/5,232.94 = 5,232.94/x
  3. Step 3: Cross multiply
    3,112.88x = 5,232.94 × 5,232.94
  4. Step 4: Simplify right side
    3,112.88x = 27,383,634.88
  5. Step 5: Solve for x
    x = 27,383,634.88/3,112.88
  6. Step 6: Final answer
    x = 8,796.90

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.