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Finding the Third Proportional to 70.97 and 163.59

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Solution

The third proportional to 70.97 and 163.59 is: 377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70.97 : 163.59 = 163.59 : x
  2. Step 2: Convert to fraction form
    70.97/163.59 = 163.59/x
  3. Step 3: Cross multiply
    70.97x = 163.59 × 163.59
  4. Step 4: Simplify right side
    70.97x = 26,762.92
  5. Step 5: Solve for x
    x = 26,762.92/70.97
  6. Step 6: Final answer
    x = 377.11

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.