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Finding the Third Proportional to 79,369.88 and 169,811.44

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Solution

The third proportional to 79,369.88 and 169,811.44 is: 363,310.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,369.88 : 169,811.44 = 169,811.44 : x
  2. Step 2: Convert to fraction form
    79,369.88/169,811.44 = 169,811.44/x
  3. Step 3: Cross multiply
    79,369.88x = 169,811.44 × 169,811.44
  4. Step 4: Simplify right side
    79,369.88x = 28,835,924,305.82
  5. Step 5: Solve for x
    x = 28,835,924,305.82/79,369.88
  6. Step 6: Final answer
    x = 363,310.69

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.