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Finding the Third Proportional to 223.50 and 355.63

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Solution

The third proportional to 223.50 and 355.63 is: 565.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.50 : 355.63 = 355.63 : x
  2. Step 2: Convert to fraction form
    223.50/355.63 = 355.63/x
  3. Step 3: Cross multiply
    223.50x = 355.63 × 355.63
  4. Step 4: Simplify right side
    223.50x = 126,469.14
  5. Step 5: Solve for x
    x = 126,469.14/223.50
  6. Step 6: Final answer
    x = 565.86

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.