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Finding the Third Proportional to 30,622 and 43,119

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Solution

The third proportional to 30,622 and 43,119 is: 60,716.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622 : 43,119 = 43,119 : x
  2. Step 2: Convert to fraction form
    30,622/43,119 = 43,119/x
  3. Step 3: Cross multiply
    30,622x = 43,119 × 43,119
  4. Step 4: Simplify right side
    30,622x = 1,859,248,161
  5. Step 5: Solve for x
    x = 1,859,248,161/30,622
  6. Step 6: Final answer
    x = 60,716.09

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.