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Finding the Third Proportional to 322,035.75 and 485,240.63

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Solution

The third proportional to 322,035.75 and 485,240.63 is: 731,156.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,035.75 : 485,240.63 = 485,240.63 : x
  2. Step 2: Convert to fraction form
    322,035.75/485,240.63 = 485,240.63/x
  3. Step 3: Cross multiply
    322,035.75x = 485,240.63 × 485,240.63
  4. Step 4: Simplify right side
    322,035.75x = 235,458,464,150.39
  5. Step 5: Solve for x
    x = 235,458,464,150.39/322,035.75
  6. Step 6: Final answer
    x = 731,156.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.