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Finding the Third Proportional to 36,187.69 and 79,737.56

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Solution

The third proportional to 36,187.69 and 79,737.56 is: 175,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,187.69 : 79,737.56 = 79,737.56 : x
  2. Step 2: Convert to fraction form
    36,187.69/79,737.56 = 79,737.56/x
  3. Step 3: Cross multiply
    36,187.69x = 79,737.56 × 79,737.56
  4. Step 4: Simplify right side
    36,187.69x = 6,358,078,873.44
  5. Step 5: Solve for x
    x = 6,358,078,873.44/36,187.69
  6. Step 6: Final answer
    x = 175,697.30

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.