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Finding the Third Proportional to 33.33 and 66.23

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Solution

The third proportional to 33.33 and 66.23 is: 131.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.33 : 66.23 = 66.23 : x
  2. Step 2: Convert to fraction form
    33.33/66.23 = 66.23/x
  3. Step 3: Cross multiply
    33.33x = 66.23 × 66.23
  4. Step 4: Simplify right side
    33.33x = 4,386.99
  5. Step 5: Solve for x
    x = 4,386.99/33.33
  6. Step 6: Final answer
    x = 131.63

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Why These Related Problems?

These problems maintain the same ratio (1.99) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.