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Finding the Third Proportional to 179,868 and 388,552

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Solution

The third proportional to 179,868 and 388,552 is: 839,352.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,868 : 388,552 = 388,552 : x
  2. Step 2: Convert to fraction form
    179,868/388,552 = 388,552/x
  3. Step 3: Cross multiply
    179,868x = 388,552 × 388,552
  4. Step 4: Simplify right side
    179,868x = 150,972,656,704
  5. Step 5: Solve for x
    x = 150,972,656,704/179,868
  6. Step 6: Final answer
    x = 839,352.51

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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.