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Finding the Third Proportional to 55,684 and 115,976

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Solution

The third proportional to 55,684 and 115,976 is: 241,549.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,684 : 115,976 = 115,976 : x
  2. Step 2: Convert to fraction form
    55,684/115,976 = 115,976/x
  3. Step 3: Cross multiply
    55,684x = 115,976 × 115,976
  4. Step 4: Simplify right side
    55,684x = 13,450,432,576
  5. Step 5: Solve for x
    x = 13,450,432,576/55,684
  6. Step 6: Final answer
    x = 241,549.32

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.