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Finding the Third Proportional to 2,747 and 4,265

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Solution

The third proportional to 2,747 and 4,265 is: 6,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,747 : 4,265 = 4,265 : x
  2. Step 2: Convert to fraction form
    2,747/4,265 = 4,265/x
  3. Step 3: Cross multiply
    2,747x = 4,265 × 4,265
  4. Step 4: Simplify right side
    2,747x = 18,190,225
  5. Step 5: Solve for x
    x = 18,190,225/2,747
  6. Step 6: Final answer
    x = 6,621.85

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.