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Finding the Third Proportional to 6,126.75 and 9,191.25

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Solution

The third proportional to 6,126.75 and 9,191.25 is: 13,788.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.75 : 9,191.25 = 9,191.25 : x
  2. Step 2: Convert to fraction form
    6,126.75/9,191.25 = 9,191.25/x
  3. Step 3: Cross multiply
    6,126.75x = 9,191.25 × 9,191.25
  4. Step 4: Simplify right side
    6,126.75x = 84,479,076.56
  5. Step 5: Solve for x
    x = 84,479,076.56/6,126.75
  6. Step 6: Final answer
    x = 13,788.56

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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.