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Finding the Third Proportional to 3,612 and 6,648

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Solution

The third proportional to 3,612 and 6,648 is: 12,235.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612 : 6,648 = 6,648 : x
  2. Step 2: Convert to fraction form
    3,612/6,648 = 6,648/x
  3. Step 3: Cross multiply
    3,612x = 6,648 × 6,648
  4. Step 4: Simplify right side
    3,612x = 44,195,904
  5. Step 5: Solve for x
    x = 44,195,904/3,612
  6. Step 6: Final answer
    x = 12,235.85

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.