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Finding the Third Proportional to 330,682 and 494,736

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Solution

The third proportional to 330,682 and 494,736 is: 740,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,682 : 494,736 = 494,736 : x
  2. Step 2: Convert to fraction form
    330,682/494,736 = 494,736/x
  3. Step 3: Cross multiply
    330,682x = 494,736 × 494,736
  4. Step 4: Simplify right side
    330,682x = 244,763,709,696
  5. Step 5: Solve for x
    x = 244,763,709,696/330,682
  6. Step 6: Final answer
    x = 740,178.51

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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.