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Finding the Third Proportional to 61,628 and 132,756

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Solution

The third proportional to 61,628 and 132,756 is: 285,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,628 : 132,756 = 132,756 : x
  2. Step 2: Convert to fraction form
    61,628/132,756 = 132,756/x
  3. Step 3: Cross multiply
    61,628x = 132,756 × 132,756
  4. Step 4: Simplify right side
    61,628x = 17,624,155,536
  5. Step 5: Solve for x
    x = 17,624,155,536/61,628
  6. Step 6: Final answer
    x = 285,976.43

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.