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Finding the Third Proportional to 414,640.50 and 635,064.75

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Solution

The third proportional to 414,640.50 and 635,064.75 is: 972,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,640.50 : 635,064.75 = 635,064.75 : x
  2. Step 2: Convert to fraction form
    414,640.50/635,064.75 = 635,064.75/x
  3. Step 3: Cross multiply
    414,640.50x = 635,064.75 × 635,064.75
  4. Step 4: Simplify right side
    414,640.50x = 403,307,236,692.56
  5. Step 5: Solve for x
    x = 403,307,236,692.56/414,640.50
  6. Step 6: Final answer
    x = 972,667.25

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.