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Finding the Third Proportional to 184.50 and 402.75

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Solution

The third proportional to 184.50 and 402.75 is: 879.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.50 : 402.75 = 402.75 : x
  2. Step 2: Convert to fraction form
    184.50/402.75 = 402.75/x
  3. Step 3: Cross multiply
    184.50x = 402.75 × 402.75
  4. Step 4: Simplify right side
    184.50x = 162,207.56
  5. Step 5: Solve for x
    x = 162,207.56/184.50
  6. Step 6: Final answer
    x = 879.17

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.