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Finding the Third Proportional to 223.75 and 514.75

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Solution

The third proportional to 223.75 and 514.75 is: 1,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    223.75 : 514.75 = 514.75 : x
  2. Step 2: Convert to fraction form
    223.75/514.75 = 514.75/x
  3. Step 3: Cross multiply
    223.75x = 514.75 × 514.75
  4. Step 4: Simplify right side
    223.75x = 264,967.56
  5. Step 5: Solve for x
    x = 264,967.56/223.75
  6. Step 6: Final answer
    x = 1,184.21

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.