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Finding the Third Proportional to 11,697 and 17,487.75

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Solution

The third proportional to 11,697 and 17,487.75 is: 26,145.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,697 : 17,487.75 = 17,487.75 : x
  2. Step 2: Convert to fraction form
    11,697/17,487.75 = 17,487.75/x
  3. Step 3: Cross multiply
    11,697x = 17,487.75 × 17,487.75
  4. Step 4: Simplify right side
    11,697x = 305,821,400.06
  5. Step 5: Solve for x
    x = 305,821,400.06/11,697
  6. Step 6: Final answer
    x = 26,145.29

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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.