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Finding the Third Proportional to 173.67 and 240.05

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Solution

The third proportional to 173.67 and 240.05 is: 331.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.67 : 240.05 = 240.05 : x
  2. Step 2: Convert to fraction form
    173.67/240.05 = 240.05/x
  3. Step 3: Cross multiply
    173.67x = 240.05 × 240.05
  4. Step 4: Simplify right side
    173.67x = 57,622.50
  5. Step 5: Solve for x
    x = 57,622.50/173.67
  6. Step 6: Final answer
    x = 331.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.