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Finding the Third Proportional to 174,990.75 and 383,879.25

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Solution

The third proportional to 174,990.75 and 383,879.25 is: 842,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,990.75 : 383,879.25 = 383,879.25 : x
  2. Step 2: Convert to fraction form
    174,990.75/383,879.25 = 383,879.25/x
  3. Step 3: Cross multiply
    174,990.75x = 383,879.25 × 383,879.25
  4. Step 4: Simplify right side
    174,990.75x = 147,363,278,580.56
  5. Step 5: Solve for x
    x = 147,363,278,580.56/174,990.75
  6. Step 6: Final answer
    x = 842,120.39

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.