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Finding the Third Proportional to 22,615 and 49,121

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Solution

The third proportional to 22,615 and 49,121 is: 106,693.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,615 : 49,121 = 49,121 : x
  2. Step 2: Convert to fraction form
    22,615/49,121 = 49,121/x
  3. Step 3: Cross multiply
    22,615x = 49,121 × 49,121
  4. Step 4: Simplify right side
    22,615x = 2,412,872,641
  5. Step 5: Solve for x
    x = 2,412,872,641/22,615
  6. Step 6: Final answer
    x = 106,693.46

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.