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Finding the Third Proportional to 0.22 and 0.33

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Solution

The third proportional to 0.22 and 0.33 is: 0.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    0.22 : 0.33 = 0.33 : x
  2. Step 2: Convert to fraction form
    0.22/0.33 = 0.33/x
  3. Step 3: Cross multiply
    0.22x = 0.33 × 0.33
  4. Step 4: Simplify right side
    0.22x = 0.11
  5. Step 5: Solve for x
    x = 0.11/0.22
  6. Step 6: Final answer
    x = 0.49

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.