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Finding the Third Proportional to 51,317 and 106,666

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Solution

The third proportional to 51,317 and 106,666 is: 221,712.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,317 : 106,666 = 106,666 : x
  2. Step 2: Convert to fraction form
    51,317/106,666 = 106,666/x
  3. Step 3: Cross multiply
    51,317x = 106,666 × 106,666
  4. Step 4: Simplify right side
    51,317x = 11,377,635,556
  5. Step 5: Solve for x
    x = 11,377,635,556/51,317
  6. Step 6: Final answer
    x = 221,712.80

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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.