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Finding the Third Proportional to 326.88 and 701.19

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Solution

The third proportional to 326.88 and 701.19 is: 1,504.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.88 : 701.19 = 701.19 : x
  2. Step 2: Convert to fraction form
    326.88/701.19 = 701.19/x
  3. Step 3: Cross multiply
    326.88x = 701.19 × 701.19
  4. Step 4: Simplify right side
    326.88x = 491,663.91
  5. Step 5: Solve for x
    x = 491,663.91/326.88
  6. Step 6: Final answer
    x = 1,504.13

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.