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Finding the Third Proportional to 22.56 and 33.81

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Solution

The third proportional to 22.56 and 33.81 is: 50.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.56 : 33.81 = 33.81 : x
  2. Step 2: Convert to fraction form
    22.56/33.81 = 33.81/x
  3. Step 3: Cross multiply
    22.56x = 33.81 × 33.81
  4. Step 4: Simplify right side
    22.56x = 1,143.29
  5. Step 5: Solve for x
    x = 1,143.29/22.56
  6. Step 6: Final answer
    x = 50.67

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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.