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Finding the Third Proportional to 22.38 and 26

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Solution

The third proportional to 22.38 and 26 is: 30.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.38 : 26 = 26 : x
  2. Step 2: Convert to fraction form
    22.38/26 = 26/x
  3. Step 3: Cross multiply
    22.38x = 26 × 26
  4. Step 4: Simplify right side
    22.38x = 676
  5. Step 5: Solve for x
    x = 676/22.38
  6. Step 6: Final answer
    x = 30.21

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.