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Finding the Third Proportional to 11,022.75 and 17,276.63

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Solution

The third proportional to 11,022.75 and 17,276.63 is: 27,078.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,022.75 : 17,276.63 = 17,276.63 : x
  2. Step 2: Convert to fraction form
    11,022.75/17,276.63 = 17,276.63/x
  3. Step 3: Cross multiply
    11,022.75x = 17,276.63 × 17,276.63
  4. Step 4: Simplify right side
    11,022.75x = 298,481,771.39
  5. Step 5: Solve for x
    x = 298,481,771.39/11,022.75
  6. Step 6: Final answer
    x = 27,078.70

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.