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Finding the Third Proportional to 52,690.50 and 80,119.13

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Solution

The third proportional to 52,690.50 and 80,119.13 is: 121,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,690.50 : 80,119.13 = 80,119.13 : x
  2. Step 2: Convert to fraction form
    52,690.50/80,119.13 = 80,119.13/x
  3. Step 3: Cross multiply
    52,690.50x = 80,119.13 × 80,119.13
  4. Step 4: Simplify right side
    52,690.50x = 6,419,074,190.77
  5. Step 5: Solve for x
    x = 6,419,074,190.77/52,690.50
  6. Step 6: Final answer
    x = 121,826.03

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.