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Finding the Third Proportional to 394,440 and 590,976

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Solution

The third proportional to 394,440 and 590,976 is: 885,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,440 : 590,976 = 590,976 : x
  2. Step 2: Convert to fraction form
    394,440/590,976 = 590,976/x
  3. Step 3: Cross multiply
    394,440x = 590,976 × 590,976
  4. Step 4: Simplify right side
    394,440x = 349,252,632,576
  5. Step 5: Solve for x
    x = 349,252,632,576/394,440
  6. Step 6: Final answer
    x = 885,439.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.