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Finding the Third Proportional to 30,105 and 44,721.75

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Solution

The third proportional to 30,105 and 44,721.75 is: 66,435.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,105 : 44,721.75 = 44,721.75 : x
  2. Step 2: Convert to fraction form
    30,105/44,721.75 = 44,721.75/x
  3. Step 3: Cross multiply
    30,105x = 44,721.75 × 44,721.75
  4. Step 4: Simplify right side
    30,105x = 2,000,034,923.06
  5. Step 5: Solve for x
    x = 2,000,034,923.06/30,105
  6. Step 6: Final answer
    x = 66,435.31

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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.