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Finding the Third Proportional to 185.94 and 406.19

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Solution

The third proportional to 185.94 and 406.19 is: 887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.94 : 406.19 = 406.19 : x
  2. Step 2: Convert to fraction form
    185.94/406.19 = 406.19/x
  3. Step 3: Cross multiply
    185.94x = 406.19 × 406.19
  4. Step 4: Simplify right side
    185.94x = 164,988.29
  5. Step 5: Solve for x
    x = 164,988.29/185.94
  6. Step 6: Final answer
    x = 887.33

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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.