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Finding the Third Proportional to 201,625 and 440,143

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Solution

The third proportional to 201,625 and 440,143 is: 960,822.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,625 : 440,143 = 440,143 : x
  2. Step 2: Convert to fraction form
    201,625/440,143 = 440,143/x
  3. Step 3: Cross multiply
    201,625x = 440,143 × 440,143
  4. Step 4: Simplify right side
    201,625x = 193,725,860,449
  5. Step 5: Solve for x
    x = 193,725,860,449/201,625
  6. Step 6: Final answer
    x = 960,822.62

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.