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Finding the Third Proportional to 61,616 and 133,568

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Solution

The third proportional to 61,616 and 133,568 is: 289,541.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,616 : 133,568 = 133,568 : x
  2. Step 2: Convert to fraction form
    61,616/133,568 = 133,568/x
  3. Step 3: Cross multiply
    61,616x = 133,568 × 133,568
  4. Step 4: Simplify right side
    61,616x = 17,840,410,624
  5. Step 5: Solve for x
    x = 17,840,410,624/61,616
  6. Step 6: Final answer
    x = 289,541.85

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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.