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Finding the Third Proportional to 86,758 and 118,192

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Solution

The third proportional to 86,758 and 118,192 is: 161,015.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,758 : 118,192 = 118,192 : x
  2. Step 2: Convert to fraction form
    86,758/118,192 = 118,192/x
  3. Step 3: Cross multiply
    86,758x = 118,192 × 118,192
  4. Step 4: Simplify right side
    86,758x = 13,969,348,864
  5. Step 5: Solve for x
    x = 13,969,348,864/86,758
  6. Step 6: Final answer
    x = 161,015.11

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.