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Finding the Third Proportional to 725,181 and 1,590,330

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Solution

The third proportional to 725,181 and 1,590,330 is: 3,487,611.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,181 : 1,590,330 = 1,590,330 : x
  2. Step 2: Convert to fraction form
    725,181/1,590,330 = 1,590,330/x
  3. Step 3: Cross multiply
    725,181x = 1,590,330 × 1,590,330
  4. Step 4: Simplify right side
    725,181x = 2,529,149,508,900
  5. Step 5: Solve for x
    x = 2,529,149,508,900/725,181
  6. Step 6: Final answer
    x = 3,487,611.38

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.