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Finding the Third Proportional to 5,260 and 11,451

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Solution

The third proportional to 5,260 and 11,451 is: 24,928.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260 : 11,451 = 11,451 : x
  2. Step 2: Convert to fraction form
    5,260/11,451 = 11,451/x
  3. Step 3: Cross multiply
    5,260x = 11,451 × 11,451
  4. Step 4: Simplify right side
    5,260x = 131,125,401
  5. Step 5: Solve for x
    x = 131,125,401/5,260
  6. Step 6: Final answer
    x = 24,928.78

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.