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Finding the Third Proportional to 168,981.75 and 361,951.88

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Solution

The third proportional to 168,981.75 and 361,951.88 is: 775,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,981.75 : 361,951.88 = 361,951.88 : x
  2. Step 2: Convert to fraction form
    168,981.75/361,951.88 = 361,951.88/x
  3. Step 3: Cross multiply
    168,981.75x = 361,951.88 × 361,951.88
  4. Step 4: Simplify right side
    168,981.75x = 131,009,159,816.02
  5. Step 5: Solve for x
    x = 131,009,159,816.02/168,981.75
  6. Step 6: Final answer
    x = 775,285.85

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.