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Finding the Third Proportional to 179,862.75 and 388,542.75

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Solution

The third proportional to 179,862.75 and 388,542.75 is: 839,337.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,862.75 : 388,542.75 = 388,542.75 : x
  2. Step 2: Convert to fraction form
    179,862.75/388,542.75 = 388,542.75/x
  3. Step 3: Cross multiply
    179,862.75x = 388,542.75 × 388,542.75
  4. Step 4: Simplify right side
    179,862.75x = 150,965,468,577.56
  5. Step 5: Solve for x
    x = 150,965,468,577.56/179,862.75
  6. Step 6: Final answer
    x = 839,337.04

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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.