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Finding the Third Proportional to 201,766 and 455,512

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Solution

The third proportional to 201,766 and 455,512 is: 1,028,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,766 : 455,512 = 455,512 : x
  2. Step 2: Convert to fraction form
    201,766/455,512 = 455,512/x
  3. Step 3: Cross multiply
    201,766x = 455,512 × 455,512
  4. Step 4: Simplify right side
    201,766x = 207,491,182,144
  5. Step 5: Solve for x
    x = 207,491,182,144/201,766
  6. Step 6: Final answer
    x = 1,028,375.36

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Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.