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Finding the Third Proportional to 194,408 and 280,956

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Solution

The third proportional to 194,408 and 280,956 is: 406,034.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,408 : 280,956 = 280,956 : x
  2. Step 2: Convert to fraction form
    194,408/280,956 = 280,956/x
  3. Step 3: Cross multiply
    194,408x = 280,956 × 280,956
  4. Step 4: Simplify right side
    194,408x = 78,936,273,936
  5. Step 5: Solve for x
    x = 78,936,273,936/194,408
  6. Step 6: Final answer
    x = 406,034.08

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.