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Finding the Third Proportional to 481,551.50 and 720,754.75

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Solution

The third proportional to 481,551.50 and 720,754.75 is: 1,078,778.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,551.50 : 720,754.75 = 720,754.75 : x
  2. Step 2: Convert to fraction form
    481,551.50/720,754.75 = 720,754.75/x
  3. Step 3: Cross multiply
    481,551.50x = 720,754.75 × 720,754.75
  4. Step 4: Simplify right side
    481,551.50x = 519,487,409,647.56
  5. Step 5: Solve for x
    x = 519,487,409,647.56/481,551.50
  6. Step 6: Final answer
    x = 1,078,778.51

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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.