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Finding the Third Proportional to 77,873 and 167,591

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Solution

The third proportional to 77,873 and 167,591 is: 360,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,873 : 167,591 = 167,591 : x
  2. Step 2: Convert to fraction form
    77,873/167,591 = 167,591/x
  3. Step 3: Cross multiply
    77,873x = 167,591 × 167,591
  4. Step 4: Simplify right side
    77,873x = 28,086,743,281
  5. Step 5: Solve for x
    x = 28,086,743,281/77,873
  6. Step 6: Final answer
    x = 360,673.70

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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.