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Finding the Third Proportional to 85,170.75 and 179,169

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Solution

The third proportional to 85,170.75 and 179,169 is: 376,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,170.75 : 179,169 = 179,169 : x
  2. Step 2: Convert to fraction form
    85,170.75/179,169 = 179,169/x
  3. Step 3: Cross multiply
    85,170.75x = 179,169 × 179,169
  4. Step 4: Simplify right side
    85,170.75x = 32,101,530,561
  5. Step 5: Solve for x
    x = 32,101,530,561/85,170.75
  6. Step 6: Final answer
    x = 376,907.92

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.