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Finding the Third Proportional to 86.06 and 182.88

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Solution

The third proportional to 86.06 and 182.88 is: 388.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86.06 : 182.88 = 182.88 : x
  2. Step 2: Convert to fraction form
    86.06/182.88 = 182.88/x
  3. Step 3: Cross multiply
    86.06x = 182.88 × 182.88
  4. Step 4: Simplify right side
    86.06x = 33,446.12
  5. Step 5: Solve for x
    x = 33,446.12/86.06
  6. Step 6: Final answer
    x = 388.63

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.