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Finding the Third Proportional to 2,682 and 3,559

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Solution

The third proportional to 2,682 and 3,559 is: 4,722.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682 : 3,559 = 3,559 : x
  2. Step 2: Convert to fraction form
    2,682/3,559 = 3,559/x
  3. Step 3: Cross multiply
    2,682x = 3,559 × 3,559
  4. Step 4: Simplify right side
    2,682x = 12,666,481
  5. Step 5: Solve for x
    x = 12,666,481/2,682
  6. Step 6: Final answer
    x = 4,722.77

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.