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Finding the Third Proportional to 7,668 and 11,603.25

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Solution

The third proportional to 7,668 and 11,603.25 is: 17,558.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668 : 11,603.25 = 11,603.25 : x
  2. Step 2: Convert to fraction form
    7,668/11,603.25 = 11,603.25/x
  3. Step 3: Cross multiply
    7,668x = 11,603.25 × 11,603.25
  4. Step 4: Simplify right side
    7,668x = 134,635,410.56
  5. Step 5: Solve for x
    x = 134,635,410.56/7,668
  6. Step 6: Final answer
    x = 17,558.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.