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Finding the Third Proportional to 241.69 and 471.38

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Solution

The third proportional to 241.69 and 471.38 is: 919.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.69 : 471.38 = 471.38 : x
  2. Step 2: Convert to fraction form
    241.69/471.38 = 471.38/x
  3. Step 3: Cross multiply
    241.69x = 471.38 × 471.38
  4. Step 4: Simplify right side
    241.69x = 222,194.39
  5. Step 5: Solve for x
    x = 222,194.39/241.69
  6. Step 6: Final answer
    x = 919.35

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.