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Finding the Third Proportional to 185.63 and 401.63

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Solution

The third proportional to 185.63 and 401.63 is: 868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.63 : 401.63 = 401.63 : x
  2. Step 2: Convert to fraction form
    185.63/401.63 = 401.63/x
  3. Step 3: Cross multiply
    185.63x = 401.63 × 401.63
  4. Step 4: Simplify right side
    185.63x = 161,302.64
  5. Step 5: Solve for x
    x = 161,302.64/185.63
  6. Step 6: Final answer
    x = 868.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.