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Finding the Third Proportional to 78,793.88 and 168,659.44

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Solution

The third proportional to 78,793.88 and 168,659.44 is: 361,017.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,793.88 : 168,659.44 = 168,659.44 : x
  2. Step 2: Convert to fraction form
    78,793.88/168,659.44 = 168,659.44/x
  3. Step 3: Cross multiply
    78,793.88x = 168,659.44 × 168,659.44
  4. Step 4: Simplify right side
    78,793.88x = 28,446,005,857.82
  5. Step 5: Solve for x
    x = 28,446,005,857.82/78,793.88
  6. Step 6: Final answer
    x = 361,017.98

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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.