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Finding the Third Proportional to 329.06 and 550.13

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Solution

The third proportional to 329.06 and 550.13 is: 919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.06 : 550.13 = 550.13 : x
  2. Step 2: Convert to fraction form
    329.06/550.13 = 550.13/x
  3. Step 3: Cross multiply
    329.06x = 550.13 × 550.13
  4. Step 4: Simplify right side
    329.06x = 302,637.52
  5. Step 5: Solve for x
    x = 302,637.52/329.06
  6. Step 6: Final answer
    x = 919.70

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.