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Finding the Third Proportional to 3,212.75 and 6,682

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Solution

The third proportional to 3,212.75 and 6,682 is: 13,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.75 : 6,682 = 6,682 : x
  2. Step 2: Convert to fraction form
    3,212.75/6,682 = 6,682/x
  3. Step 3: Cross multiply
    3,212.75x = 6,682 × 6,682
  4. Step 4: Simplify right side
    3,212.75x = 44,649,124
  5. Step 5: Solve for x
    x = 44,649,124/3,212.75
  6. Step 6: Final answer
    x = 13,897.48

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.