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Finding the Third Proportional to 51,515 and 106,976

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Solution

The third proportional to 51,515 and 106,976 is: 222,146.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,515 : 106,976 = 106,976 : x
  2. Step 2: Convert to fraction form
    51,515/106,976 = 106,976/x
  3. Step 3: Cross multiply
    51,515x = 106,976 × 106,976
  4. Step 4: Simplify right side
    51,515x = 11,443,864,576
  5. Step 5: Solve for x
    x = 11,443,864,576/51,515
  6. Step 6: Final answer
    x = 222,146.26

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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.