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Finding the Third Proportional to 203,939 and 437,393

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Solution

The third proportional to 203,939 and 437,393 is: 938,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,939 : 437,393 = 437,393 : x
  2. Step 2: Convert to fraction form
    203,939/437,393 = 437,393/x
  3. Step 3: Cross multiply
    203,939x = 437,393 × 437,393
  4. Step 4: Simplify right side
    203,939x = 191,312,636,449
  5. Step 5: Solve for x
    x = 191,312,636,449/203,939
  6. Step 6: Final answer
    x = 938,087.55

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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.