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Finding the Third Proportional to 6.94 and 10.23

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Solution

The third proportional to 6.94 and 10.23 is: 15.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.94 : 10.23 = 10.23 : x
  2. Step 2: Convert to fraction form
    6.94/10.23 = 10.23/x
  3. Step 3: Cross multiply
    6.94x = 10.23 × 10.23
  4. Step 4: Simplify right side
    6.94x = 104.73
  5. Step 5: Solve for x
    x = 104.73/6.94
  6. Step 6: Final answer
    x = 15.09

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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.