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Finding the Third Proportional to 324.50 and 579

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Solution

The third proportional to 324.50 and 579 is: 1,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.50 : 579 = 579 : x
  2. Step 2: Convert to fraction form
    324.50/579 = 579/x
  3. Step 3: Cross multiply
    324.50x = 579 × 579
  4. Step 4: Simplify right side
    324.50x = 335,241
  5. Step 5: Solve for x
    x = 335,241/324.50
  6. Step 6: Final answer
    x = 1,033.10

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.