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Finding the Third Proportional to 313,240.50 and 477,204.75

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Solution

The third proportional to 313,240.50 and 477,204.75 is: 726,995.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,240.50 : 477,204.75 = 477,204.75 : x
  2. Step 2: Convert to fraction form
    313,240.50/477,204.75 = 477,204.75/x
  3. Step 3: Cross multiply
    313,240.50x = 477,204.75 × 477,204.75
  4. Step 4: Simplify right side
    313,240.50x = 227,724,373,422.56
  5. Step 5: Solve for x
    x = 227,724,373,422.56/313,240.50
  6. Step 6: Final answer
    x = 726,995.31

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.