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Finding the Third Proportional to 36,036 and 77,622

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Solution

The third proportional to 36,036 and 77,622 is: 167,198.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,036 : 77,622 = 77,622 : x
  2. Step 2: Convert to fraction form
    36,036/77,622 = 77,622/x
  3. Step 3: Cross multiply
    36,036x = 77,622 × 77,622
  4. Step 4: Simplify right side
    36,036x = 6,025,174,884
  5. Step 5: Solve for x
    x = 6,025,174,884/36,036
  6. Step 6: Final answer
    x = 167,198.77

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.