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Finding the Third Proportional to 8.96 and 19.09

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Solution

The third proportional to 8.96 and 19.09 is: 40.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.96 : 19.09 = 19.09 : x
  2. Step 2: Convert to fraction form
    8.96/19.09 = 19.09/x
  3. Step 3: Cross multiply
    8.96x = 19.09 × 19.09
  4. Step 4: Simplify right side
    8.96x = 364.42
  5. Step 5: Solve for x
    x = 364.42/8.96
  6. Step 6: Final answer
    x = 40.65

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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.