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Finding the Third Proportional to 22.13 and 29.63

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Solution

The third proportional to 22.13 and 29.63 is: 39.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.13 : 29.63 = 29.63 : x
  2. Step 2: Convert to fraction form
    22.13/29.63 = 29.63/x
  3. Step 3: Cross multiply
    22.13x = 29.63 × 29.63
  4. Step 4: Simplify right side
    22.13x = 877.64
  5. Step 5: Solve for x
    x = 877.64/22.13
  6. Step 6: Final answer
    x = 39.67

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.