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Finding the Third Proportional to 6.96 and 15.23

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Solution

The third proportional to 6.96 and 15.23 is: 33.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.96 : 15.23 = 15.23 : x
  2. Step 2: Convert to fraction form
    6.96/15.23 = 15.23/x
  3. Step 3: Cross multiply
    6.96x = 15.23 × 15.23
  4. Step 4: Simplify right side
    6.96x = 231.86
  5. Step 5: Solve for x
    x = 231.86/6.96
  6. Step 6: Final answer
    x = 33.31

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.