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Finding the Third Proportional to 2.28 and 3.36

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Solution

The third proportional to 2.28 and 3.36 is: 4.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.28 : 3.36 = 3.36 : x
  2. Step 2: Convert to fraction form
    2.28/3.36 = 3.36/x
  3. Step 3: Cross multiply
    2.28x = 3.36 × 3.36
  4. Step 4: Simplify right side
    2.28x = 11.26
  5. Step 5: Solve for x
    x = 11.26/2.28
  6. Step 6: Final answer
    x = 4.94

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.