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Finding the Third Proportional to 51,364 and 106,760

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Solution

The third proportional to 51,364 and 106,760 is: 221,900.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,364 : 106,760 = 106,760 : x
  2. Step 2: Convert to fraction form
    51,364/106,760 = 106,760/x
  3. Step 3: Cross multiply
    51,364x = 106,760 × 106,760
  4. Step 4: Simplify right side
    51,364x = 11,397,697,600
  5. Step 5: Solve for x
    x = 11,397,697,600/51,364
  6. Step 6: Final answer
    x = 221,900.51

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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.