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Finding the Third Proportional to 132,028.25 and 285,099.75

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Solution

The third proportional to 132,028.25 and 285,099.75 is: 615,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,028.25 : 285,099.75 = 285,099.75 : x
  2. Step 2: Convert to fraction form
    132,028.25/285,099.75 = 285,099.75/x
  3. Step 3: Cross multiply
    132,028.25x = 285,099.75 × 285,099.75
  4. Step 4: Simplify right side
    132,028.25x = 81,281,867,450.06
  5. Step 5: Solve for x
    x = 81,281,867,450.06/132,028.25
  6. Step 6: Final answer
    x = 615,639.97

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.