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Finding the Third Proportional to 5,530 and 12,338

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Solution

The third proportional to 5,530 and 12,338 is: 27,527.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530 : 12,338 = 12,338 : x
  2. Step 2: Convert to fraction form
    5,530/12,338 = 12,338/x
  3. Step 3: Cross multiply
    5,530x = 12,338 × 12,338
  4. Step 4: Simplify right side
    5,530x = 152,226,244
  5. Step 5: Solve for x
    x = 152,226,244/5,530
  6. Step 6: Final answer
    x = 27,527.35

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.