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Finding the Third Proportional to 3,219.75 and 6,086.39

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Solution

The third proportional to 3,219.75 and 6,086.39 is: 11,505.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.75 : 6,086.39 = 6,086.39 : x
  2. Step 2: Convert to fraction form
    3,219.75/6,086.39 = 6,086.39/x
  3. Step 3: Cross multiply
    3,219.75x = 6,086.39 × 6,086.39
  4. Step 4: Simplify right side
    3,219.75x = 37,044,150.84
  5. Step 5: Solve for x
    x = 37,044,150.84/3,219.75
  6. Step 6: Final answer
    x = 11,505.29

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.