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Finding the Third Proportional to 28,453.78 and 44,172.84

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Solution

The third proportional to 28,453.78 and 44,172.84 is: 68,575.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,453.78 : 44,172.84 = 44,172.84 : x
  2. Step 2: Convert to fraction form
    28,453.78/44,172.84 = 44,172.84/x
  3. Step 3: Cross multiply
    28,453.78x = 44,172.84 × 44,172.84
  4. Step 4: Simplify right side
    28,453.78x = 1,951,240,124.96
  5. Step 5: Solve for x
    x = 1,951,240,124.96/28,453.78
  6. Step 6: Final answer
    x = 68,575.78

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.