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Finding the Third Proportional to 414 and 500.25

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Solution

The third proportional to 414 and 500.25 is: 604.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    414 : 500.25 = 500.25 : x
  2. Step 2: Convert to fraction form
    414/500.25 = 500.25/x
  3. Step 3: Cross multiply
    414x = 500.25 × 500.25
  4. Step 4: Simplify right side
    414x = 250,250.06
  5. Step 5: Solve for x
    x = 250,250.06/414
  6. Step 6: Final answer
    x = 604.47

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Why These Related Problems?

These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.