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Finding the Third Proportional to 11,580.75 and 18,101.25

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Solution

The third proportional to 11,580.75 and 18,101.25 is: 28,293.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.75 : 18,101.25 = 18,101.25 : x
  2. Step 2: Convert to fraction form
    11,580.75/18,101.25 = 18,101.25/x
  3. Step 3: Cross multiply
    11,580.75x = 18,101.25 × 18,101.25
  4. Step 4: Simplify right side
    11,580.75x = 327,655,251.56
  5. Step 5: Solve for x
    x = 327,655,251.56/11,580.75
  6. Step 6: Final answer
    x = 28,293.09

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.