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Finding the Third Proportional to 57,074 and 122,932

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Solution

The third proportional to 57,074 and 122,932 is: 264,783.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,074 : 122,932 = 122,932 : x
  2. Step 2: Convert to fraction form
    57,074/122,932 = 122,932/x
  3. Step 3: Cross multiply
    57,074x = 122,932 × 122,932
  4. Step 4: Simplify right side
    57,074x = 15,112,276,624
  5. Step 5: Solve for x
    x = 15,112,276,624/57,074
  6. Step 6: Final answer
    x = 264,783.91

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.