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Finding the Third Proportional to 18,144.56 and 28,512.84

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Solution

The third proportional to 18,144.56 and 28,512.84 is: 44,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.56 : 28,512.84 = 28,512.84 : x
  2. Step 2: Convert to fraction form
    18,144.56/28,512.84 = 28,512.84/x
  3. Step 3: Cross multiply
    18,144.56x = 28,512.84 × 28,512.84
  4. Step 4: Simplify right side
    18,144.56x = 812,982,258.71
  5. Step 5: Solve for x
    x = 812,982,258.71/18,144.56
  6. Step 6: Final answer
    x = 44,805.83

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