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Finding the Third Proportional to 57,450 and 85,827.38

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Solution

The third proportional to 57,450 and 85,827.38 is: 128,221.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,450 : 85,827.38 = 85,827.38 : x
  2. Step 2: Convert to fraction form
    57,450/85,827.38 = 85,827.38/x
  3. Step 3: Cross multiply
    57,450x = 85,827.38 × 85,827.38
  4. Step 4: Simplify right side
    57,450x = 7,366,338,299.39
  5. Step 5: Solve for x
    x = 7,366,338,299.39/57,450
  6. Step 6: Final answer
    x = 128,221.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.