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Finding the Third Proportional to 145.69 and 163.97

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Solution

The third proportional to 145.69 and 163.97 is: 184.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    145.69 : 163.97 = 163.97 : x
  2. Step 2: Convert to fraction form
    145.69/163.97 = 163.97/x
  3. Step 3: Cross multiply
    145.69x = 163.97 × 163.97
  4. Step 4: Simplify right side
    145.69x = 26,885.75
  5. Step 5: Solve for x
    x = 26,885.75/145.69
  6. Step 6: Final answer
    x = 184.54

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.