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Finding the Third Proportional to 208,179.75 and 447,336

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Solution

The third proportional to 208,179.75 and 447,336 is: 961,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,179.75 : 447,336 = 447,336 : x
  2. Step 2: Convert to fraction form
    208,179.75/447,336 = 447,336/x
  3. Step 3: Cross multiply
    208,179.75x = 447,336 × 447,336
  4. Step 4: Simplify right side
    208,179.75x = 200,109,496,896
  5. Step 5: Solve for x
    x = 200,109,496,896/208,179.75
  6. Step 6: Final answer
    x = 961,234.21

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.