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Finding the Third Proportional to 204.94 and 336.09

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Solution

The third proportional to 204.94 and 336.09 is: 551.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    204.94 : 336.09 = 336.09 : x
  2. Step 2: Convert to fraction form
    204.94/336.09 = 336.09/x
  3. Step 3: Cross multiply
    204.94x = 336.09 × 336.09
  4. Step 4: Simplify right side
    204.94x = 112,959.01
  5. Step 5: Solve for x
    x = 112,959.01/204.94
  6. Step 6: Final answer
    x = 551.19

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Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.