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Finding the Third Proportional to 84.94 and 134.44

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Solution

The third proportional to 84.94 and 134.44 is: 212.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84.94 : 134.44 = 134.44 : x
  2. Step 2: Convert to fraction form
    84.94/134.44 = 134.44/x
  3. Step 3: Cross multiply
    84.94x = 134.44 × 134.44
  4. Step 4: Simplify right side
    84.94x = 18,073.44
  5. Step 5: Solve for x
    x = 18,073.44/84.94
  6. Step 6: Final answer
    x = 212.79

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.