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Finding the Third Proportional to 8.07 and 17.56

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Solution

The third proportional to 8.07 and 17.56 is: 38.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.07 : 17.56 = 17.56 : x
  2. Step 2: Convert to fraction form
    8.07/17.56 = 17.56/x
  3. Step 3: Cross multiply
    8.07x = 17.56 × 17.56
  4. Step 4: Simplify right side
    8.07x = 308.37
  5. Step 5: Solve for x
    x = 308.37/8.07
  6. Step 6: Final answer
    x = 38.22

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.