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Finding the Third Proportional to 4,398 and 8,949

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Solution

The third proportional to 4,398 and 8,949 is: 18,209.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,398 : 8,949 = 8,949 : x
  2. Step 2: Convert to fraction form
    4,398/8,949 = 8,949/x
  3. Step 3: Cross multiply
    4,398x = 8,949 × 8,949
  4. Step 4: Simplify right side
    4,398x = 80,084,601
  5. Step 5: Solve for x
    x = 80,084,601/4,398
  6. Step 6: Final answer
    x = 18,209.32

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.