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Finding the Third Proportional to 18,144.75 and 27,491.25

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Solution

The third proportional to 18,144.75 and 27,491.25 is: 41,652.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.75 : 27,491.25 = 27,491.25 : x
  2. Step 2: Convert to fraction form
    18,144.75/27,491.25 = 27,491.25/x
  3. Step 3: Cross multiply
    18,144.75x = 27,491.25 × 27,491.25
  4. Step 4: Simplify right side
    18,144.75x = 755,768,826.56
  5. Step 5: Solve for x
    x = 755,768,826.56/18,144.75
  6. Step 6: Final answer
    x = 41,652.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.