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Finding the Third Proportional to 365,512 and 548,268

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Solution

The third proportional to 365,512 and 548,268 is: 822,402

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,512 : 548,268 = 548,268 : x
  2. Step 2: Convert to fraction form
    365,512/548,268 = 548,268/x
  3. Step 3: Cross multiply
    365,512x = 548,268 × 548,268
  4. Step 4: Simplify right side
    365,512x = 300,597,799,824
  5. Step 5: Solve for x
    x = 300,597,799,824/365,512
  6. Step 6: Final answer
    x = 822,402

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.