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Finding the Third Proportional to 55,900 and 82,067

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Solution

The third proportional to 55,900 and 82,067 is: 120,482.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,900 : 82,067 = 82,067 : x
  2. Step 2: Convert to fraction form
    55,900/82,067 = 82,067/x
  3. Step 3: Cross multiply
    55,900x = 82,067 × 82,067
  4. Step 4: Simplify right side
    55,900x = 6,734,992,489
  5. Step 5: Solve for x
    x = 6,734,992,489/55,900
  6. Step 6: Final answer
    x = 120,482.87

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.