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Finding the Third Proportional to 179,861.06 and 388,540.13

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Solution

The third proportional to 179,861.06 and 388,540.13 is: 839,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,861.06 : 388,540.13 = 388,540.13 : x
  2. Step 2: Convert to fraction form
    179,861.06/388,540.13 = 388,540.13/x
  3. Step 3: Cross multiply
    179,861.06x = 388,540.13 × 388,540.13
  4. Step 4: Simplify right side
    179,861.06x = 150,963,428,735.02
  5. Step 5: Solve for x
    x = 150,963,428,735.02/179,861.06
  6. Step 6: Final answer
    x = 839,333.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.