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Finding the Third Proportional to 27,615 and 59,640.75

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Solution

The third proportional to 27,615 and 59,640.75 is: 128,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615 : 59,640.75 = 59,640.75 : x
  2. Step 2: Convert to fraction form
    27,615/59,640.75 = 59,640.75/x
  3. Step 3: Cross multiply
    27,615x = 59,640.75 × 59,640.75
  4. Step 4: Simplify right side
    27,615x = 3,557,019,060.56
  5. Step 5: Solve for x
    x = 3,557,019,060.56/27,615
  6. Step 6: Final answer
    x = 128,807.50

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.