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Finding the Third Proportional to 22.13 and 25.22

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Solution

The third proportional to 22.13 and 25.22 is: 28.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.13 : 25.22 = 25.22 : x
  2. Step 2: Convert to fraction form
    22.13/25.22 = 25.22/x
  3. Step 3: Cross multiply
    22.13x = 25.22 × 25.22
  4. Step 4: Simplify right side
    22.13x = 635.99
  5. Step 5: Solve for x
    x = 635.99/22.13
  6. Step 6: Final answer
    x = 28.75

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.