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Finding the Third Proportional to 85,800 and 179,376

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Solution

The third proportional to 85,800 and 179,376 is: 375,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,800 : 179,376 = 179,376 : x
  2. Step 2: Convert to fraction form
    85,800/179,376 = 179,376/x
  3. Step 3: Cross multiply
    85,800x = 179,376 × 179,376
  4. Step 4: Simplify right side
    85,800x = 32,175,749,376
  5. Step 5: Solve for x
    x = 32,175,749,376/85,800
  6. Step 6: Final answer
    x = 375,008.73

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.