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Finding the Third Proportional to 163.13 and 363.38

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Solution

The third proportional to 163.13 and 363.38 is: 809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.13 : 363.38 = 363.38 : x
  2. Step 2: Convert to fraction form
    163.13/363.38 = 363.38/x
  3. Step 3: Cross multiply
    163.13x = 363.38 × 363.38
  4. Step 4: Simplify right side
    163.13x = 132,041.39
  5. Step 5: Solve for x
    x = 132,041.39/163.13
  6. Step 6: Final answer
    x = 809.45

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.