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Finding the Third Proportional to 27,039.75 and 57,816

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Solution

The third proportional to 27,039.75 and 57,816 is: 123,621.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,039.75 : 57,816 = 57,816 : x
  2. Step 2: Convert to fraction form
    27,039.75/57,816 = 57,816/x
  3. Step 3: Cross multiply
    27,039.75x = 57,816 × 57,816
  4. Step 4: Simplify right side
    27,039.75x = 3,342,689,856
  5. Step 5: Solve for x
    x = 3,342,689,856/27,039.75
  6. Step 6: Final answer
    x = 123,621.33

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.