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Finding the Third Proportional to 436.44 and 512.38

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Solution

The third proportional to 436.44 and 512.38 is: 601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.44 : 512.38 = 512.38 : x
  2. Step 2: Convert to fraction form
    436.44/512.38 = 512.38/x
  3. Step 3: Cross multiply
    436.44x = 512.38 × 512.38
  4. Step 4: Simplify right side
    436.44x = 262,528.14
  5. Step 5: Solve for x
    x = 262,528.14/436.44
  6. Step 6: Final answer
    x = 601.53

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.