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Finding the Third Proportional to 57,203.75 and 119,142

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Solution

The third proportional to 57,203.75 and 119,142 is: 248,144.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,203.75 : 119,142 = 119,142 : x
  2. Step 2: Convert to fraction form
    57,203.75/119,142 = 119,142/x
  3. Step 3: Cross multiply
    57,203.75x = 119,142 × 119,142
  4. Step 4: Simplify right side
    57,203.75x = 14,194,816,164
  5. Step 5: Solve for x
    x = 14,194,816,164/57,203.75
  6. Step 6: Final answer
    x = 248,144.85

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.