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Finding the Third Proportional to 85,854 and 188,837

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Solution

The third proportional to 85,854 and 188,837 is: 415,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,854 : 188,837 = 188,837 : x
  2. Step 2: Convert to fraction form
    85,854/188,837 = 188,837/x
  3. Step 3: Cross multiply
    85,854x = 188,837 × 188,837
  4. Step 4: Simplify right side
    85,854x = 35,659,412,569
  5. Step 5: Solve for x
    x = 35,659,412,569/85,854
  6. Step 6: Final answer
    x = 415,349.46

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.