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Finding the Third Proportional to 18,245 and 27,500

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Solution

The third proportional to 18,245 and 27,500 is: 41,449.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,245 : 27,500 = 27,500 : x
  2. Step 2: Convert to fraction form
    18,245/27,500 = 27,500/x
  3. Step 3: Cross multiply
    18,245x = 27,500 × 27,500
  4. Step 4: Simplify right side
    18,245x = 756,250,000
  5. Step 5: Solve for x
    x = 756,250,000/18,245
  6. Step 6: Final answer
    x = 41,449.71

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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.