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Finding the Third Proportional to 86,949 and 132,249

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Solution

The third proportional to 86,949 and 132,249 is: 201,150.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,949 : 132,249 = 132,249 : x
  2. Step 2: Convert to fraction form
    86,949/132,249 = 132,249/x
  3. Step 3: Cross multiply
    86,949x = 132,249 × 132,249
  4. Step 4: Simplify right side
    86,949x = 17,489,798,001
  5. Step 5: Solve for x
    x = 17,489,798,001/86,949
  6. Step 6: Final answer
    x = 201,150.08

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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.