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Finding the Third Proportional to 75.52 and 163.37

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Solution

The third proportional to 75.52 and 163.37 is: 353.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75.52 : 163.37 = 163.37 : x
  2. Step 2: Convert to fraction form
    75.52/163.37 = 163.37/x
  3. Step 3: Cross multiply
    75.52x = 163.37 × 163.37
  4. Step 4: Simplify right side
    75.52x = 26,690.11
  5. Step 5: Solve for x
    x = 26,690.11/75.52
  6. Step 6: Final answer
    x = 353.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.