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Finding the Third Proportional to 86,891.25 and 134,327.38

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Solution

The third proportional to 86,891.25 and 134,327.38 is: 207,660.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,891.25 : 134,327.38 = 134,327.38 : x
  2. Step 2: Convert to fraction form
    86,891.25/134,327.38 = 134,327.38/x
  3. Step 3: Cross multiply
    86,891.25x = 134,327.38 × 134,327.38
  4. Step 4: Simplify right side
    86,891.25x = 18,043,843,674.39
  5. Step 5: Solve for x
    x = 18,043,843,674.39/86,891.25
  6. Step 6: Final answer
    x = 207,660.08

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.