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Finding the Third Proportional to 182,029.50 and 378,586.50

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Solution

The third proportional to 182,029.50 and 378,586.50 is: 787,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,029.50 : 378,586.50 = 378,586.50 : x
  2. Step 2: Convert to fraction form
    182,029.50/378,586.50 = 378,586.50/x
  3. Step 3: Cross multiply
    182,029.50x = 378,586.50 × 378,586.50
  4. Step 4: Simplify right side
    182,029.50x = 143,327,737,982.25
  5. Step 5: Solve for x
    x = 143,327,737,982.25/182,029.50
  6. Step 6: Final answer
    x = 787,387.42

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.