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Finding the Third Proportional to 6,122 and 11,560

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Solution

The third proportional to 6,122 and 11,560 is: 21,828.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122 : 11,560 = 11,560 : x
  2. Step 2: Convert to fraction form
    6,122/11,560 = 11,560/x
  3. Step 3: Cross multiply
    6,122x = 11,560 × 11,560
  4. Step 4: Simplify right side
    6,122x = 133,633,600
  5. Step 5: Solve for x
    x = 133,633,600/6,122
  6. Step 6: Final answer
    x = 21,828.42

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.