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Finding the Third Proportional to 18,019.50 and 27,351

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Solution

The third proportional to 18,019.50 and 27,351 is: 41,514.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,019.50 : 27,351 = 27,351 : x
  2. Step 2: Convert to fraction form
    18,019.50/27,351 = 27,351/x
  3. Step 3: Cross multiply
    18,019.50x = 27,351 × 27,351
  4. Step 4: Simplify right side
    18,019.50x = 748,077,201
  5. Step 5: Solve for x
    x = 748,077,201/18,019.50
  6. Step 6: Final answer
    x = 41,514.87

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.