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Finding the Third Proportional to 18,414.75 and 28,806.75

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Solution

The third proportional to 18,414.75 and 28,806.75 is: 45,063.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,414.75 : 28,806.75 = 28,806.75 : x
  2. Step 2: Convert to fraction form
    18,414.75/28,806.75 = 28,806.75/x
  3. Step 3: Cross multiply
    18,414.75x = 28,806.75 × 28,806.75
  4. Step 4: Simplify right side
    18,414.75x = 829,828,845.56
  5. Step 5: Solve for x
    x = 829,828,845.56/18,414.75
  6. Step 6: Final answer
    x = 45,063.27

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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.