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Finding the Third Proportional to 8,076.75 and 11,133.75

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Solution

The third proportional to 8,076.75 and 11,133.75 is: 15,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,076.75 : 11,133.75 = 11,133.75 : x
  2. Step 2: Convert to fraction form
    8,076.75/11,133.75 = 11,133.75/x
  3. Step 3: Cross multiply
    8,076.75x = 11,133.75 × 11,133.75
  4. Step 4: Simplify right side
    8,076.75x = 123,960,389.06
  5. Step 5: Solve for x
    x = 123,960,389.06/8,076.75
  6. Step 6: Final answer
    x = 15,347.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.