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Finding the Third Proportional to 0.11 and 0.79

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Solution

The third proportional to 0.11 and 0.79 is: 5.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.11 : 0.79 = 0.79 : x
  2. Step 2: Convert to fraction form
    0.11/0.79 = 0.79/x
  3. Step 3: Cross multiply
    0.11x = 0.79 × 0.79
  4. Step 4: Simplify right side
    0.11x = 0.63
  5. Step 5: Solve for x
    x = 0.63/0.11
  6. Step 6: Final answer
    x = 5.93

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Why These Related Problems?

These problems maintain the same ratio (7.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.