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Finding the Third Proportional to 27,387 and 41,019.75

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Solution

The third proportional to 27,387 and 41,019.75 is: 61,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,387 : 41,019.75 = 41,019.75 : x
  2. Step 2: Convert to fraction form
    27,387/41,019.75 = 41,019.75/x
  3. Step 3: Cross multiply
    27,387x = 41,019.75 × 41,019.75
  4. Step 4: Simplify right side
    27,387x = 1,682,619,890.06
  5. Step 5: Solve for x
    x = 1,682,619,890.06/27,387
  6. Step 6: Final answer
    x = 61,438.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.