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Finding the Third Proportional to 300,792 and 668,832

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Solution

The third proportional to 300,792 and 668,832 is: 1,487,194.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,792 : 668,832 = 668,832 : x
  2. Step 2: Convert to fraction form
    300,792/668,832 = 668,832/x
  3. Step 3: Cross multiply
    300,792x = 668,832 × 668,832
  4. Step 4: Simplify right side
    300,792x = 447,336,244,224
  5. Step 5: Solve for x
    x = 447,336,244,224/300,792
  6. Step 6: Final answer
    x = 1,487,194.62

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.