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Finding the Third Proportional to 2,134.79 and 3,230.67

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Solution

The third proportional to 2,134.79 and 3,230.67 is: 4,889.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.79 : 3,230.67 = 3,230.67 : x
  2. Step 2: Convert to fraction form
    2,134.79/3,230.67 = 3,230.67/x
  3. Step 3: Cross multiply
    2,134.79x = 3,230.67 × 3,230.67
  4. Step 4: Simplify right side
    2,134.79x = 10,437,202.90
  5. Step 5: Solve for x
    x = 10,437,202.90/2,134.79
  6. Step 6: Final answer
    x = 4,889.09

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.