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Finding the Third Proportional to 8 and 17

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Solution

The third proportional to 8 and 17 is: 36.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8 : 17 = 17 : x
  2. Step 2: Convert to fraction form
    8/17 = 17/x
  3. Step 3: Cross multiply
    8x = 17 × 17
  4. Step 4: Simplify right side
    8x = 289
  5. Step 5: Solve for x
    x = 289/8
  6. Step 6: Final answer
    x = 36.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.