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Finding the Third Proportional to 200,982 and 436,836

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Solution

The third proportional to 200,982 and 436,836 is: 949,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,982 : 436,836 = 436,836 : x
  2. Step 2: Convert to fraction form
    200,982/436,836 = 436,836/x
  3. Step 3: Cross multiply
    200,982x = 436,836 × 436,836
  4. Step 4: Simplify right side
    200,982x = 190,825,690,896
  5. Step 5: Solve for x
    x = 190,825,690,896/200,982
  6. Step 6: Final answer
    x = 949,466.57

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.