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Finding the Third Proportional to 73.13 and 163.50

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Solution

The third proportional to 73.13 and 163.50 is: 365.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    73.13 : 163.50 = 163.50 : x
  2. Step 2: Convert to fraction form
    73.13/163.50 = 163.50/x
  3. Step 3: Cross multiply
    73.13x = 163.50 × 163.50
  4. Step 4: Simplify right side
    73.13x = 26,732.25
  5. Step 5: Solve for x
    x = 26,732.25/73.13
  6. Step 6: Final answer
    x = 365.57

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Why These Related Problems?

These problems maintain the same ratio (2.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.