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Finding the Third Proportional to 9 and 14.69

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Solution

The third proportional to 9 and 14.69 is: 23.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9 : 14.69 = 14.69 : x
  2. Step 2: Convert to fraction form
    9/14.69 = 14.69/x
  3. Step 3: Cross multiply
    9x = 14.69 × 14.69
  4. Step 4: Simplify right side
    9x = 215.72
  5. Step 5: Solve for x
    x = 215.72/9
  6. Step 6: Final answer
    x = 23.97

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.