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Finding the Third Proportional to 12,195 and 18,227.25

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Solution

The third proportional to 12,195 and 18,227.25 is: 27,243.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,195 : 18,227.25 = 18,227.25 : x
  2. Step 2: Convert to fraction form
    12,195/18,227.25 = 18,227.25/x
  3. Step 3: Cross multiply
    12,195x = 18,227.25 × 18,227.25
  4. Step 4: Simplify right side
    12,195x = 332,232,642.56
  5. Step 5: Solve for x
    x = 332,232,642.56/12,195
  6. Step 6: Final answer
    x = 27,243.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.