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Finding the Third Proportional to 7,512 and 18,162

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Solution

The third proportional to 7,512 and 18,162 is: 43,910.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512 : 18,162 = 18,162 : x
  2. Step 2: Convert to fraction form
    7,512/18,162 = 18,162/x
  3. Step 3: Cross multiply
    7,512x = 18,162 × 18,162
  4. Step 4: Simplify right side
    7,512x = 329,858,244
  5. Step 5: Solve for x
    x = 329,858,244/7,512
  6. Step 6: Final answer
    x = 43,910.84

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.