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Finding the Third Proportional to 12,008 and 18,180

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Solution

The third proportional to 12,008 and 18,180 is: 27,524.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,008 : 18,180 = 18,180 : x
  2. Step 2: Convert to fraction form
    12,008/18,180 = 18,180/x
  3. Step 3: Cross multiply
    12,008x = 18,180 × 18,180
  4. Step 4: Simplify right side
    12,008x = 330,512,400
  5. Step 5: Solve for x
    x = 330,512,400/12,008
  6. Step 6: Final answer
    x = 27,524.35

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.