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Finding the Third Proportional to 18,249.68 and 27,717.19

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Solution

The third proportional to 18,249.68 and 27,717.19 is: 42,096.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.68 : 27,717.19 = 27,717.19 : x
  2. Step 2: Convert to fraction form
    18,249.68/27,717.19 = 27,717.19/x
  3. Step 3: Cross multiply
    18,249.68x = 27,717.19 × 27,717.19
  4. Step 4: Simplify right side
    18,249.68x = 768,242,482.91
  5. Step 5: Solve for x
    x = 768,242,482.91/18,249.68
  6. Step 6: Final answer
    x = 42,096.22

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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.