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Finding the Third Proportional to 4,909 and 7,267

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Solution

The third proportional to 4,909 and 7,267 is: 10,757.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909 : 7,267 = 7,267 : x
  2. Step 2: Convert to fraction form
    4,909/7,267 = 7,267/x
  3. Step 3: Cross multiply
    4,909x = 7,267 × 7,267
  4. Step 4: Simplify right side
    4,909x = 52,809,289
  5. Step 5: Solve for x
    x = 52,809,289/4,909
  6. Step 6: Final answer
    x = 10,757.65

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.