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Finding the Third Proportional to 79,508.25 and 168,311.25

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Solution

The third proportional to 79,508.25 and 168,311.25 is: 356,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,508.25 : 168,311.25 = 168,311.25 : x
  2. Step 2: Convert to fraction form
    79,508.25/168,311.25 = 168,311.25/x
  3. Step 3: Cross multiply
    79,508.25x = 168,311.25 × 168,311.25
  4. Step 4: Simplify right side
    79,508.25x = 28,328,676,876.56
  5. Step 5: Solve for x
    x = 28,328,676,876.56/79,508.25
  6. Step 6: Final answer
    x = 356,298.58

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.