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Finding the Third Proportional to 18,249.05 and 39,226.36

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Solution

The third proportional to 18,249.05 and 39,226.36 is: 84,317.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,249.05 : 39,226.36 = 39,226.36 : x
  2. Step 2: Convert to fraction form
    18,249.05/39,226.36 = 39,226.36/x
  3. Step 3: Cross multiply
    18,249.05x = 39,226.36 × 39,226.36
  4. Step 4: Simplify right side
    18,249.05x = 1,538,707,269.82
  5. Step 5: Solve for x
    x = 1,538,707,269.82/18,249.05
  6. Step 6: Final answer
    x = 84,317.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.