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Finding the Third Proportional to 179,784 and 394,559

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Solution

The third proportional to 179,784 and 394,559 is: 865,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,784 : 394,559 = 394,559 : x
  2. Step 2: Convert to fraction form
    179,784/394,559 = 394,559/x
  3. Step 3: Cross multiply
    179,784x = 394,559 × 394,559
  4. Step 4: Simplify right side
    179,784x = 155,676,804,481
  5. Step 5: Solve for x
    x = 155,676,804,481/179,784
  6. Step 6: Final answer
    x = 865,910.23

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.