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Finding the Third Proportional to 79,339.50 and 108,793.13

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Solution

The third proportional to 79,339.50 and 108,793.13 is: 149,180.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,339.50 : 108,793.13 = 108,793.13 : x
  2. Step 2: Convert to fraction form
    79,339.50/108,793.13 = 108,793.13/x
  3. Step 3: Cross multiply
    79,339.50x = 108,793.13 × 108,793.13
  4. Step 4: Simplify right side
    79,339.50x = 11,835,944,047.27
  5. Step 5: Solve for x
    x = 11,835,944,047.27/79,339.50
  6. Step 6: Final answer
    x = 149,180.98

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.