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Finding the Third Proportional to 324.50 and 622

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Solution

The third proportional to 324.50 and 622 is: 1,192.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    324.50 : 622 = 622 : x
  2. Step 2: Convert to fraction form
    324.50/622 = 622/x
  3. Step 3: Cross multiply
    324.50x = 622 × 622
  4. Step 4: Simplify right side
    324.50x = 386,884
  5. Step 5: Solve for x
    x = 386,884/324.50
  6. Step 6: Final answer
    x = 1,192.25

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Why These Related Problems?

These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.