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Finding the Third Proportional to 349.31 and 736.59

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Solution

The third proportional to 349.31 and 736.59 is: 1,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    349.31 : 736.59 = 736.59 : x
  2. Step 2: Convert to fraction form
    349.31/736.59 = 736.59/x
  3. Step 3: Cross multiply
    349.31x = 736.59 × 736.59
  4. Step 4: Simplify right side
    349.31x = 542,570.35
  5. Step 5: Solve for x
    x = 542,570.35/349.31
  6. Step 6: Final answer
    x = 1,553.25

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.