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Finding the Third Proportional to 184,806 and 388,930

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Solution

The third proportional to 184,806 and 388,930 is: 818,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,806 : 388,930 = 388,930 : x
  2. Step 2: Convert to fraction form
    184,806/388,930 = 388,930/x
  3. Step 3: Cross multiply
    184,806x = 388,930 × 388,930
  4. Step 4: Simplify right side
    184,806x = 151,266,544,900
  5. Step 5: Solve for x
    x = 151,266,544,900/184,806
  6. Step 6: Final answer
    x = 818,515.33

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.