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Finding the Third Proportional to 277,439.50 and 416,195.50

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Solution

The third proportional to 277,439.50 and 416,195.50 is: 624,347.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,439.50 : 416,195.50 = 416,195.50 : x
  2. Step 2: Convert to fraction form
    277,439.50/416,195.50 = 416,195.50/x
  3. Step 3: Cross multiply
    277,439.50x = 416,195.50 × 416,195.50
  4. Step 4: Simplify right side
    277,439.50x = 173,218,694,220.25
  5. Step 5: Solve for x
    x = 173,218,694,220.25/277,439.50
  6. Step 6: Final answer
    x = 624,347.63

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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.