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Finding the Third Proportional to 163.50 and 351.94

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Solution

The third proportional to 163.50 and 351.94 is: 757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.50 : 351.94 = 351.94 : x
  2. Step 2: Convert to fraction form
    163.50/351.94 = 351.94/x
  3. Step 3: Cross multiply
    163.50x = 351.94 × 351.94
  4. Step 4: Simplify right side
    163.50x = 123,860.00
  5. Step 5: Solve for x
    x = 123,860.00/163.50
  6. Step 6: Final answer
    x = 757.55

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.