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Finding the Third Proportional to 36,120 and 57,678

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Solution

The third proportional to 36,120 and 57,678 is: 92,102.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,120 : 57,678 = 57,678 : x
  2. Step 2: Convert to fraction form
    36,120/57,678 = 57,678/x
  3. Step 3: Cross multiply
    36,120x = 57,678 × 57,678
  4. Step 4: Simplify right side
    36,120x = 3,326,751,684
  5. Step 5: Solve for x
    x = 3,326,751,684/36,120
  6. Step 6: Final answer
    x = 92,102.76

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.