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Finding the Third Proportional to 173.06 and 371.81

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Solution

The third proportional to 173.06 and 371.81 is: 798.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.06 : 371.81 = 371.81 : x
  2. Step 2: Convert to fraction form
    173.06/371.81 = 371.81/x
  3. Step 3: Cross multiply
    173.06x = 371.81 × 371.81
  4. Step 4: Simplify right side
    173.06x = 138,244.54
  5. Step 5: Solve for x
    x = 138,244.54/173.06
  6. Step 6: Final answer
    x = 798.81

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.