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Finding the Third Proportional to 179,929 and 387,537.50

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Solution

The third proportional to 179,929 and 387,537.50 is: 834,692.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,929 : 387,537.50 = 387,537.50 : x
  2. Step 2: Convert to fraction form
    179,929/387,537.50 = 387,537.50/x
  3. Step 3: Cross multiply
    179,929x = 387,537.50 × 387,537.50
  4. Step 4: Simplify right side
    179,929x = 150,185,313,906.25
  5. Step 5: Solve for x
    x = 150,185,313,906.25/179,929
  6. Step 6: Final answer
    x = 834,692.09

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.