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Finding the Third Proportional to 17,291 and 36,427

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Solution

The third proportional to 17,291 and 36,427 is: 76,740.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,291 : 36,427 = 36,427 : x
  2. Step 2: Convert to fraction form
    17,291/36,427 = 36,427/x
  3. Step 3: Cross multiply
    17,291x = 36,427 × 36,427
  4. Step 4: Simplify right side
    17,291x = 1,326,926,329
  5. Step 5: Solve for x
    x = 1,326,926,329/17,291
  6. Step 6: Final answer
    x = 76,740.87

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.