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Finding the Third Proportional to 365,624 and 815,268

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Solution

The third proportional to 365,624 and 815,268 is: 1,817,883.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,624 : 815,268 = 815,268 : x
  2. Step 2: Convert to fraction form
    365,624/815,268 = 815,268/x
  3. Step 3: Cross multiply
    365,624x = 815,268 × 815,268
  4. Step 4: Simplify right side
    365,624x = 664,661,911,824
  5. Step 5: Solve for x
    x = 664,661,911,824/365,624
  6. Step 6: Final answer
    x = 1,817,883.71

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.