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Finding the Third Proportional to 86,392 and 133,268

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Solution

The third proportional to 86,392 and 133,268 is: 205,578.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,392 : 133,268 = 133,268 : x
  2. Step 2: Convert to fraction form
    86,392/133,268 = 133,268/x
  3. Step 3: Cross multiply
    86,392x = 133,268 × 133,268
  4. Step 4: Simplify right side
    86,392x = 17,760,359,824
  5. Step 5: Solve for x
    x = 17,760,359,824/86,392
  6. Step 6: Final answer
    x = 205,578.76

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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.