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Finding the Third Proportional to 204,490 and 436,812

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Solution

The third proportional to 204,490 and 436,812 is: 933,076.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,490 : 436,812 = 436,812 : x
  2. Step 2: Convert to fraction form
    204,490/436,812 = 436,812/x
  3. Step 3: Cross multiply
    204,490x = 436,812 × 436,812
  4. Step 4: Simplify right side
    204,490x = 190,804,723,344
  5. Step 5: Solve for x
    x = 190,804,723,344/204,490
  6. Step 6: Final answer
    x = 933,076.06

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.