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Finding the Third Proportional to 84.09 and 183.94

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Solution

The third proportional to 84.09 and 183.94 is: 402.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84.09 : 183.94 = 183.94 : x
  2. Step 2: Convert to fraction form
    84.09/183.94 = 183.94/x
  3. Step 3: Cross multiply
    84.09x = 183.94 × 183.94
  4. Step 4: Simplify right side
    84.09x = 33,833.00
  5. Step 5: Solve for x
    x = 33,833.00/84.09
  6. Step 6: Final answer
    x = 402.32

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.