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Finding the Third Proportional to 179,917 and 264,039

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Solution

The third proportional to 179,917 and 264,039 is: 387,493.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,917 : 264,039 = 264,039 : x
  2. Step 2: Convert to fraction form
    179,917/264,039 = 264,039/x
  3. Step 3: Cross multiply
    179,917x = 264,039 × 264,039
  4. Step 4: Simplify right side
    179,917x = 69,716,593,521
  5. Step 5: Solve for x
    x = 69,716,593,521/179,917
  6. Step 6: Final answer
    x = 387,493.09

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.