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Finding the Third Proportional to 176.63 and 329.25

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Solution

The third proportional to 176.63 and 329.25 is: 613.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.63 : 329.25 = 329.25 : x
  2. Step 2: Convert to fraction form
    176.63/329.25 = 329.25/x
  3. Step 3: Cross multiply
    176.63x = 329.25 × 329.25
  4. Step 4: Simplify right side
    176.63x = 108,405.56
  5. Step 5: Solve for x
    x = 108,405.56/176.63
  6. Step 6: Final answer
    x = 613.76

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Why These Related Problems?

These problems maintain the same ratio (1.86) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.