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Finding the Third Proportional to 55,728 and 119,736

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Solution

The third proportional to 55,728 and 119,736 is: 257,262.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,728 : 119,736 = 119,736 : x
  2. Step 2: Convert to fraction form
    55,728/119,736 = 119,736/x
  3. Step 3: Cross multiply
    55,728x = 119,736 × 119,736
  4. Step 4: Simplify right side
    55,728x = 14,336,709,696
  5. Step 5: Solve for x
    x = 14,336,709,696/55,728
  6. Step 6: Final answer
    x = 257,262.23

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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.