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Finding the Third Proportional to 163.27 and 245.53

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Solution

The third proportional to 163.27 and 245.53 is: 369.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.27 : 245.53 = 245.53 : x
  2. Step 2: Convert to fraction form
    163.27/245.53 = 245.53/x
  3. Step 3: Cross multiply
    163.27x = 245.53 × 245.53
  4. Step 4: Simplify right side
    163.27x = 60,285.59
  5. Step 5: Solve for x
    x = 60,285.59/163.27
  6. Step 6: Final answer
    x = 369.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.