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Finding the Third Proportional to 4.94 and 11.22

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Solution

The third proportional to 4.94 and 11.22 is: 25.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4.94 : 11.22 = 11.22 : x
  2. Step 2: Convert to fraction form
    4.94/11.22 = 11.22/x
  3. Step 3: Cross multiply
    4.94x = 11.22 × 11.22
  4. Step 4: Simplify right side
    4.94x = 125.86
  5. Step 5: Solve for x
    x = 125.86/4.94
  6. Step 6: Final answer
    x = 25.49

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Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.