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Finding the Third Proportional to 7,523.75 and 11,286

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Solution

The third proportional to 7,523.75 and 11,286 is: 16,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,523.75 : 11,286 = 11,286 : x
  2. Step 2: Convert to fraction form
    7,523.75/11,286 = 11,286/x
  3. Step 3: Cross multiply
    7,523.75x = 11,286 × 11,286
  4. Step 4: Simplify right side
    7,523.75x = 127,373,796
  5. Step 5: Solve for x
    x = 127,373,796/7,523.75
  6. Step 6: Final answer
    x = 16,929.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.