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Finding the Third Proportional to 203,862 and 439,098

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Solution

The third proportional to 203,862 and 439,098 is: 945,772.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,862 : 439,098 = 439,098 : x
  2. Step 2: Convert to fraction form
    203,862/439,098 = 439,098/x
  3. Step 3: Cross multiply
    203,862x = 439,098 × 439,098
  4. Step 4: Simplify right side
    203,862x = 192,807,053,604
  5. Step 5: Solve for x
    x = 192,807,053,604/203,862
  6. Step 6: Final answer
    x = 945,772.40

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.