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Finding the Third Proportional to 325,621 and 694,253

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Solution

The third proportional to 325,621 and 694,253 is: 1,480,209.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,621 : 694,253 = 694,253 : x
  2. Step 2: Convert to fraction form
    325,621/694,253 = 694,253/x
  3. Step 3: Cross multiply
    325,621x = 694,253 × 694,253
  4. Step 4: Simplify right side
    325,621x = 481,987,228,009
  5. Step 5: Solve for x
    x = 481,987,228,009/325,621
  6. Step 6: Final answer
    x = 1,480,209.29

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.