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Finding the Third Proportional to 2.43 and 5.36

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Solution

The third proportional to 2.43 and 5.36 is: 11.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2.43 : 5.36 = 5.36 : x
  2. Step 2: Convert to fraction form
    2.43/5.36 = 5.36/x
  3. Step 3: Cross multiply
    2.43x = 5.36 × 5.36
  4. Step 4: Simplify right side
    2.43x = 28.75
  5. Step 5: Solve for x
    x = 28.75/2.43
  6. Step 6: Final answer
    x = 11.83

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.