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Finding the Third Proportional to 11.06 and 14.19

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Solution

The third proportional to 11.06 and 14.19 is: 18.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11.06 : 14.19 = 14.19 : x
  2. Step 2: Convert to fraction form
    11.06/14.19 = 14.19/x
  3. Step 3: Cross multiply
    11.06x = 14.19 × 14.19
  4. Step 4: Simplify right side
    11.06x = 201.41
  5. Step 5: Solve for x
    x = 201.41/11.06
  6. Step 6: Final answer
    x = 18.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.