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Finding the Third Proportional to 18.94 and 29.39

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Solution

The third proportional to 18.94 and 29.39 is: 45.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.94 : 29.39 = 29.39 : x
  2. Step 2: Convert to fraction form
    18.94/29.39 = 29.39/x
  3. Step 3: Cross multiply
    18.94x = 29.39 × 29.39
  4. Step 4: Simplify right side
    18.94x = 863.81
  5. Step 5: Solve for x
    x = 863.81/18.94
  6. Step 6: Final answer
    x = 45.61

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.