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Finding the Third Proportional to 38,200 and 57,318

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Solution

The third proportional to 38,200 and 57,318 is: 86,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,200 : 57,318 = 57,318 : x
  2. Step 2: Convert to fraction form
    38,200/57,318 = 57,318/x
  3. Step 3: Cross multiply
    38,200x = 57,318 × 57,318
  4. Step 4: Simplify right side
    38,200x = 3,285,353,124
  5. Step 5: Solve for x
    x = 3,285,353,124/38,200
  6. Step 6: Final answer
    x = 86,004.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.