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Finding the Third Proportional to 8.83 and 13.70

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Solution

The third proportional to 8.83 and 13.70 is: 21.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8.83 : 13.70 = 13.70 : x
  2. Step 2: Convert to fraction form
    8.83/13.70 = 13.70/x
  3. Step 3: Cross multiply
    8.83x = 13.70 × 13.70
  4. Step 4: Simplify right side
    8.83x = 187.68
  5. Step 5: Solve for x
    x = 187.68/8.83
  6. Step 6: Final answer
    x = 21.26

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.