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Finding the Third Proportional to 173.81 and 382.22

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Solution

The third proportional to 173.81 and 382.22 is: 840.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.81 : 382.22 = 382.22 : x
  2. Step 2: Convert to fraction form
    173.81/382.22 = 382.22/x
  3. Step 3: Cross multiply
    173.81x = 382.22 × 382.22
  4. Step 4: Simplify right side
    173.81x = 146,091.17
  5. Step 5: Solve for x
    x = 146,091.17/173.81
  6. Step 6: Final answer
    x = 840.51

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.