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Finding the Third Proportional to 180,672 and 381,693

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Solution

The third proportional to 180,672 and 381,693 is: 806,375.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,672 : 381,693 = 381,693 : x
  2. Step 2: Convert to fraction form
    180,672/381,693 = 381,693/x
  3. Step 3: Cross multiply
    180,672x = 381,693 × 381,693
  4. Step 4: Simplify right side
    180,672x = 145,689,546,249
  5. Step 5: Solve for x
    x = 145,689,546,249/180,672
  6. Step 6: Final answer
    x = 806,375.90

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.