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Finding the Third Proportional to 163.69 and 230.06

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Solution

The third proportional to 163.69 and 230.06 is: 323.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.69 : 230.06 = 230.06 : x
  2. Step 2: Convert to fraction form
    163.69/230.06 = 230.06/x
  3. Step 3: Cross multiply
    163.69x = 230.06 × 230.06
  4. Step 4: Simplify right side
    163.69x = 52,928.75
  5. Step 5: Solve for x
    x = 52,928.75/163.69
  6. Step 6: Final answer
    x = 323.35

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.