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Finding the Third Proportional to 18,819.50 and 27,522.38

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Solution

The third proportional to 18,819.50 and 27,522.38 is: 40,249.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,819.50 : 27,522.38 = 27,522.38 : x
  2. Step 2: Convert to fraction form
    18,819.50/27,522.38 = 27,522.38/x
  3. Step 3: Cross multiply
    18,819.50x = 27,522.38 × 27,522.38
  4. Step 4: Simplify right side
    18,819.50x = 757,481,125.64
  5. Step 5: Solve for x
    x = 757,481,125.64/18,819.50
  6. Step 6: Final answer
    x = 40,249.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.