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Finding the Third Proportional to 163.41 and 350.63

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Solution

The third proportional to 163.41 and 350.63 is: 752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.41 : 350.63 = 350.63 : x
  2. Step 2: Convert to fraction form
    163.41/350.63 = 350.63/x
  3. Step 3: Cross multiply
    163.41x = 350.63 × 350.63
  4. Step 4: Simplify right side
    163.41x = 122,937.89
  5. Step 5: Solve for x
    x = 122,937.89/163.41
  6. Step 6: Final answer
    x = 752.35

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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.