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Finding the Third Proportional to 13,512 and 18,036

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Solution

The third proportional to 13,512 and 18,036 is: 24,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,512 : 18,036 = 18,036 : x
  2. Step 2: Convert to fraction form
    13,512/18,036 = 18,036/x
  3. Step 3: Cross multiply
    13,512x = 18,036 × 18,036
  4. Step 4: Simplify right side
    13,512x = 325,297,296
  5. Step 5: Solve for x
    x = 325,297,296/13,512
  6. Step 6: Final answer
    x = 24,074.70

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.