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Finding the Third Proportional to 447,943.50 and 670,261.50

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Solution

The third proportional to 447,943.50 and 670,261.50 is: 1,002,917.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,943.50 : 670,261.50 = 670,261.50 : x
  2. Step 2: Convert to fraction form
    447,943.50/670,261.50 = 670,261.50/x
  3. Step 3: Cross multiply
    447,943.50x = 670,261.50 × 670,261.50
  4. Step 4: Simplify right side
    447,943.50x = 449,250,478,382.25
  5. Step 5: Solve for x
    x = 449,250,478,382.25/447,943.50
  6. Step 6: Final answer
    x = 1,002,917.73

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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.