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Finding the Third Proportional to 3,756 and 6,772

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Solution

The third proportional to 3,756 and 6,772 is: 12,209.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756 : 6,772 = 6,772 : x
  2. Step 2: Convert to fraction form
    3,756/6,772 = 6,772/x
  3. Step 3: Cross multiply
    3,756x = 6,772 × 6,772
  4. Step 4: Simplify right side
    3,756x = 45,859,984
  5. Step 5: Solve for x
    x = 45,859,984/3,756
  6. Step 6: Final answer
    x = 12,209.79

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.