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Finding the Third Proportional to 79,834.50 and 122,748.75

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Solution

The third proportional to 79,834.50 and 122,748.75 is: 188,731.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,834.50 : 122,748.75 = 122,748.75 : x
  2. Step 2: Convert to fraction form
    79,834.50/122,748.75 = 122,748.75/x
  3. Step 3: Cross multiply
    79,834.50x = 122,748.75 × 122,748.75
  4. Step 4: Simplify right side
    79,834.50x = 15,067,255,626.56
  5. Step 5: Solve for x
    x = 15,067,255,626.56/79,834.50
  6. Step 6: Final answer
    x = 188,731.13

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.