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Finding the Third Proportional to 84 and 182.06

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Solution

The third proportional to 84 and 182.06 is: 394.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84 : 182.06 = 182.06 : x
  2. Step 2: Convert to fraction form
    84/182.06 = 182.06/x
  3. Step 3: Cross multiply
    84x = 182.06 × 182.06
  4. Step 4: Simplify right side
    84x = 33,146.75
  5. Step 5: Solve for x
    x = 33,146.75/84
  6. Step 6: Final answer
    x = 394.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.