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Finding the Third Proportional to 184.25 and 399.25

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Solution

The third proportional to 184.25 and 399.25 is: 865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.25 : 399.25 = 399.25 : x
  2. Step 2: Convert to fraction form
    184.25/399.25 = 399.25/x
  3. Step 3: Cross multiply
    184.25x = 399.25 × 399.25
  4. Step 4: Simplify right side
    184.25x = 159,400.56
  5. Step 5: Solve for x
    x = 159,400.56/184.25
  6. Step 6: Final answer
    x = 865.13

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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.