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Finding the Third Proportional to 213,986 and 332,667

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Solution

The third proportional to 213,986 and 332,667 is: 517,170.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,986 : 332,667 = 332,667 : x
  2. Step 2: Convert to fraction form
    213,986/332,667 = 332,667/x
  3. Step 3: Cross multiply
    213,986x = 332,667 × 332,667
  4. Step 4: Simplify right side
    213,986x = 110,667,332,889
  5. Step 5: Solve for x
    x = 110,667,332,889/213,986
  6. Step 6: Final answer
    x = 517,170.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.