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Finding the Third Proportional to 86,571 and 132,887

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Solution

The third proportional to 86,571 and 132,887 is: 203,982.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,571 : 132,887 = 132,887 : x
  2. Step 2: Convert to fraction form
    86,571/132,887 = 132,887/x
  3. Step 3: Cross multiply
    86,571x = 132,887 × 132,887
  4. Step 4: Simplify right side
    86,571x = 17,658,954,769
  5. Step 5: Solve for x
    x = 17,658,954,769/86,571
  6. Step 6: Final answer
    x = 203,982.34

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.