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Finding the Third Proportional to 7,843 and 16,924

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Solution

The third proportional to 7,843 and 16,924 is: 36,519.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,843 : 16,924 = 16,924 : x
  2. Step 2: Convert to fraction form
    7,843/16,924 = 16,924/x
  3. Step 3: Cross multiply
    7,843x = 16,924 × 16,924
  4. Step 4: Simplify right side
    7,843x = 286,421,776
  5. Step 5: Solve for x
    x = 286,421,776/7,843
  6. Step 6: Final answer
    x = 36,519.42

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.