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Finding the Third Proportional to 244,879 and 378,400.50

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Solution

The third proportional to 244,879 and 378,400.50 is: 584,725.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,879 : 378,400.50 = 378,400.50 : x
  2. Step 2: Convert to fraction form
    244,879/378,400.50 = 378,400.50/x
  3. Step 3: Cross multiply
    244,879x = 378,400.50 × 378,400.50
  4. Step 4: Simplify right side
    244,879x = 143,186,938,400.25
  5. Step 5: Solve for x
    x = 143,186,938,400.25/244,879
  6. Step 6: Final answer
    x = 584,725.27

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.