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Finding the Third Proportional to 326.81 and 550.13

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Solution

The third proportional to 326.81 and 550.13 is: 926.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    326.81 : 550.13 = 550.13 : x
  2. Step 2: Convert to fraction form
    326.81/550.13 = 550.13/x
  3. Step 3: Cross multiply
    326.81x = 550.13 × 550.13
  4. Step 4: Simplify right side
    326.81x = 302,637.52
  5. Step 5: Solve for x
    x = 302,637.52/326.81
  6. Step 6: Final answer
    x = 926.03

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.