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Finding the Third Proportional to 2.28 and 4.97

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Solution

The third proportional to 2.28 and 4.97 is: 10.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.28 : 4.97 = 4.97 : x
  2. Step 2: Convert to fraction form
    2.28/4.97 = 4.97/x
  3. Step 3: Cross multiply
    2.28x = 4.97 × 4.97
  4. Step 4: Simplify right side
    2.28x = 24.69
  5. Step 5: Solve for x
    x = 24.69/2.28
  6. Step 6: Final answer
    x = 10.82

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.