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Finding the Third Proportional to 85,843 and 186,463

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Solution

The third proportional to 85,843 and 186,463 is: 405,023.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,843 : 186,463 = 186,463 : x
  2. Step 2: Convert to fraction form
    85,843/186,463 = 186,463/x
  3. Step 3: Cross multiply
    85,843x = 186,463 × 186,463
  4. Step 4: Simplify right side
    85,843x = 34,768,450,369
  5. Step 5: Solve for x
    x = 34,768,450,369/85,843
  6. Step 6: Final answer
    x = 405,023.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.