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Finding the Third Proportional to 2,750 and 6,647

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Solution

The third proportional to 2,750 and 6,647 is: 16,066.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750 : 6,647 = 6,647 : x
  2. Step 2: Convert to fraction form
    2,750/6,647 = 6,647/x
  3. Step 3: Cross multiply
    2,750x = 6,647 × 6,647
  4. Step 4: Simplify right side
    2,750x = 44,182,609
  5. Step 5: Solve for x
    x = 44,182,609/2,750
  6. Step 6: Final answer
    x = 16,066.40

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.