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Finding the Third Proportional to 4,182 and 11,223

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Solution

The third proportional to 4,182 and 11,223 is: 30,118.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182 : 11,223 = 11,223 : x
  2. Step 2: Convert to fraction form
    4,182/11,223 = 11,223/x
  3. Step 3: Cross multiply
    4,182x = 11,223 × 11,223
  4. Step 4: Simplify right side
    4,182x = 125,955,729
  5. Step 5: Solve for x
    x = 125,955,729/4,182
  6. Step 6: Final answer
    x = 30,118.54

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Why These Related Problems?

These problems maintain the same ratio (2.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.