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Finding the Third Proportional to 326.50 and 484

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Solution

The third proportional to 326.50 and 484 is: 717.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.50 : 484 = 484 : x
  2. Step 2: Convert to fraction form
    326.50/484 = 484/x
  3. Step 3: Cross multiply
    326.50x = 484 × 484
  4. Step 4: Simplify right side
    326.50x = 234,256
  5. Step 5: Solve for x
    x = 234,256/326.50
  6. Step 6: Final answer
    x = 717.48

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.