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Finding the Third Proportional to 223.75 and 474.50

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Solution

The third proportional to 223.75 and 474.50 is: 1,006.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.75 : 474.50 = 474.50 : x
  2. Step 2: Convert to fraction form
    223.75/474.50 = 474.50/x
  3. Step 3: Cross multiply
    223.75x = 474.50 × 474.50
  4. Step 4: Simplify right side
    223.75x = 225,150.25
  5. Step 5: Solve for x
    x = 225,150.25/223.75
  6. Step 6: Final answer
    x = 1,006.26

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.