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Finding the Third Proportional to 18,909.56 and 25,083.75

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Solution

The third proportional to 18,909.56 and 25,083.75 is: 33,273.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,909.56 : 25,083.75 = 25,083.75 : x
  2. Step 2: Convert to fraction form
    18,909.56/25,083.75 = 25,083.75/x
  3. Step 3: Cross multiply
    18,909.56x = 25,083.75 × 25,083.75
  4. Step 4: Simplify right side
    18,909.56x = 629,194,514.06
  5. Step 5: Solve for x
    x = 629,194,514.06/18,909.56
  6. Step 6: Final answer
    x = 33,273.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.