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Finding the Third Proportional to 118,170 and 179,688

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Solution

The third proportional to 118,170 and 179,688 is: 273,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,170 : 179,688 = 179,688 : x
  2. Step 2: Convert to fraction form
    118,170/179,688 = 179,688/x
  3. Step 3: Cross multiply
    118,170x = 179,688 × 179,688
  4. Step 4: Simplify right side
    118,170x = 32,287,777,344
  5. Step 5: Solve for x
    x = 32,287,777,344/118,170
  6. Step 6: Final answer
    x = 273,231.59

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.