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Finding the Third Proportional to 17.93 and 38.60

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Solution

The third proportional to 17.93 and 38.60 is: 83.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17.93 : 38.60 = 38.60 : x
  2. Step 2: Convert to fraction form
    17.93/38.60 = 38.60/x
  3. Step 3: Cross multiply
    17.93x = 38.60 × 38.60
  4. Step 4: Simplify right side
    17.93x = 1,490.08
  5. Step 5: Solve for x
    x = 1,490.08/17.93
  6. Step 6: Final answer
    x = 83.11

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.