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Finding the Third Proportional to 184.25 and 402.25

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Solution

The third proportional to 184.25 and 402.25 is: 878.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    184.25 : 402.25 = 402.25 : x
  2. Step 2: Convert to fraction form
    184.25/402.25 = 402.25/x
  3. Step 3: Cross multiply
    184.25x = 402.25 × 402.25
  4. Step 4: Simplify right side
    184.25x = 161,805.06
  5. Step 5: Solve for x
    x = 161,805.06/184.25
  6. Step 6: Final answer
    x = 878.18

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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.