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Finding the Third Proportional to 163 and 351.75

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Solution

The third proportional to 163 and 351.75 is: 759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163 : 351.75 = 351.75 : x
  2. Step 2: Convert to fraction form
    163/351.75 = 351.75/x
  3. Step 3: Cross multiply
    163x = 351.75 × 351.75
  4. Step 4: Simplify right side
    163x = 123,728.06
  5. Step 5: Solve for x
    x = 123,728.06/163
  6. Step 6: Final answer
    x = 759.07

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.