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Finding the Third Proportional to 84 and 184.13

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Solution

The third proportional to 84 and 184.13 is: 403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84 : 184.13 = 184.13 : x
  2. Step 2: Convert to fraction form
    84/184.13 = 184.13/x
  3. Step 3: Cross multiply
    84x = 184.13 × 184.13
  4. Step 4: Simplify right side
    84x = 33,902.02
  5. Step 5: Solve for x
    x = 33,902.02/84
  6. Step 6: Final answer
    x = 403.60

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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.