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Finding the Third Proportional to 2.44 and 5.30

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Solution

The third proportional to 2.44 and 5.30 is: 11.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.44 : 5.30 = 5.30 : x
  2. Step 2: Convert to fraction form
    2.44/5.30 = 5.30/x
  3. Step 3: Cross multiply
    2.44x = 5.30 × 5.30
  4. Step 4: Simplify right side
    2.44x = 28.06
  5. Step 5: Solve for x
    x = 28.06/2.44
  6. Step 6: Final answer
    x = 11.51

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.