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Finding the Third Proportional to 51,336 and 106,704

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Solution

The third proportional to 51,336 and 106,704 is: 221,788.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,336 : 106,704 = 106,704 : x
  2. Step 2: Convert to fraction form
    51,336/106,704 = 106,704/x
  3. Step 3: Cross multiply
    51,336x = 106,704 × 106,704
  4. Step 4: Simplify right side
    51,336x = 11,385,743,616
  5. Step 5: Solve for x
    x = 11,385,743,616/51,336
  6. Step 6: Final answer
    x = 221,788.68

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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.