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Finding the Third Proportional to 30,120 and 44,744

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Solution

The third proportional to 30,120 and 44,744 is: 66,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,120 : 44,744 = 44,744 : x
  2. Step 2: Convert to fraction form
    30,120/44,744 = 44,744/x
  3. Step 3: Cross multiply
    30,120x = 44,744 × 44,744
  4. Step 4: Simplify right side
    30,120x = 2,002,025,536
  5. Step 5: Solve for x
    x = 2,002,025,536/30,120
  6. Step 6: Final answer
    x = 66,468.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.