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Finding the Third Proportional to 338.53 and 736.13

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Solution

The third proportional to 338.53 and 736.13 is: 1,600.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    338.53 : 736.13 = 736.13 : x
  2. Step 2: Convert to fraction form
    338.53/736.13 = 736.13/x
  3. Step 3: Cross multiply
    338.53x = 736.13 × 736.13
  4. Step 4: Simplify right side
    338.53x = 541,880.02
  5. Step 5: Solve for x
    x = 541,880.02/338.53
  6. Step 6: Final answer
    x = 1,600.68

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.