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Finding the Third Proportional to 143.69 and 227.63

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Solution

The third proportional to 143.69 and 227.63 is: 360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143.69 : 227.63 = 227.63 : x
  2. Step 2: Convert to fraction form
    143.69/227.63 = 227.63/x
  3. Step 3: Cross multiply
    143.69x = 227.63 × 227.63
  4. Step 4: Simplify right side
    143.69x = 51,813.14
  5. Step 5: Solve for x
    x = 51,813.14/143.69
  6. Step 6: Final answer
    x = 360.60

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.