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Finding the Third Proportional to 7,844 and 11,470

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Solution

The third proportional to 7,844 and 11,470 is: 16,772.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844 : 11,470 = 11,470 : x
  2. Step 2: Convert to fraction form
    7,844/11,470 = 11,470/x
  3. Step 3: Cross multiply
    7,844x = 11,470 × 11,470
  4. Step 4: Simplify right side
    7,844x = 131,560,900
  5. Step 5: Solve for x
    x = 131,560,900/7,844
  6. Step 6: Final answer
    x = 16,772.17

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.