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Finding the Third Proportional to 329.63 and 763.25

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Solution

The third proportional to 329.63 and 763.25 is: 1,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    329.63 : 763.25 = 763.25 : x
  2. Step 2: Convert to fraction form
    329.63/763.25 = 763.25/x
  3. Step 3: Cross multiply
    329.63x = 763.25 × 763.25
  4. Step 4: Simplify right side
    329.63x = 582,550.56
  5. Step 5: Solve for x
    x = 582,550.56/329.63
  6. Step 6: Final answer
    x = 1,767.31

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.