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Finding the Third Proportional to 7,845 and 16,338

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Solution

The third proportional to 7,845 and 16,338 is: 34,025.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845 : 16,338 = 16,338 : x
  2. Step 2: Convert to fraction form
    7,845/16,338 = 16,338/x
  3. Step 3: Cross multiply
    7,845x = 16,338 × 16,338
  4. Step 4: Simplify right side
    7,845x = 266,930,244
  5. Step 5: Solve for x
    x = 266,930,244/7,845
  6. Step 6: Final answer
    x = 34,025.53

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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.