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Finding the Third Proportional to 163.97 and 236.81

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Solution

The third proportional to 163.97 and 236.81 is: 342.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.97 : 236.81 = 236.81 : x
  2. Step 2: Convert to fraction form
    163.97/236.81 = 236.81/x
  3. Step 3: Cross multiply
    163.97x = 236.81 × 236.81
  4. Step 4: Simplify right side
    163.97x = 56,080.16
  5. Step 5: Solve for x
    x = 56,080.16/163.97
  6. Step 6: Final answer
    x = 342.02

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.