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Finding the Third Proportional to 163.97 and 229.92

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Solution

The third proportional to 163.97 and 229.92 is: 322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.97 : 229.92 = 229.92 : x
  2. Step 2: Convert to fraction form
    163.97/229.92 = 229.92/x
  3. Step 3: Cross multiply
    163.97x = 229.92 × 229.92
  4. Step 4: Simplify right side
    163.97x = 52,864.07
  5. Step 5: Solve for x
    x = 52,864.07/163.97
  6. Step 6: Final answer
    x = 322.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.