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Finding the Third Proportional to 185.63 and 402.75

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Solution

The third proportional to 185.63 and 402.75 is: 873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.63 : 402.75 = 402.75 : x
  2. Step 2: Convert to fraction form
    185.63/402.75 = 402.75/x
  3. Step 3: Cross multiply
    185.63x = 402.75 × 402.75
  4. Step 4: Simplify right side
    185.63x = 162,207.56
  5. Step 5: Solve for x
    x = 162,207.56/185.63
  6. Step 6: Final answer
    x = 873.85

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.