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Finding the Third Proportional to 183,372 and 388,821

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Solution

The third proportional to 183,372 and 388,821 is: 824,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,372 : 388,821 = 388,821 : x
  2. Step 2: Convert to fraction form
    183,372/388,821 = 388,821/x
  3. Step 3: Cross multiply
    183,372x = 388,821 × 388,821
  4. Step 4: Simplify right side
    183,372x = 151,181,770,041
  5. Step 5: Solve for x
    x = 151,181,770,041/183,372
  6. Step 6: Final answer
    x = 824,453.95

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.