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Finding the Third Proportional to 329.13 and 494.53

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Solution

The third proportional to 329.13 and 494.53 is: 743.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.13 : 494.53 = 494.53 : x
  2. Step 2: Convert to fraction form
    329.13/494.53 = 494.53/x
  3. Step 3: Cross multiply
    329.13x = 494.53 × 494.53
  4. Step 4: Simplify right side
    329.13x = 244,561.16
  5. Step 5: Solve for x
    x = 244,561.16/329.13
  6. Step 6: Final answer
    x = 743.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.