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Finding the Third Proportional to 2.44 and 5.16

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Solution

The third proportional to 2.44 and 5.16 is: 10.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.44 : 5.16 = 5.16 : x
  2. Step 2: Convert to fraction form
    2.44/5.16 = 5.16/x
  3. Step 3: Cross multiply
    2.44x = 5.16 × 5.16
  4. Step 4: Simplify right side
    2.44x = 26.59
  5. Step 5: Solve for x
    x = 26.59/2.44
  6. Step 6: Final answer
    x = 10.91

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.