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Finding the Third Proportional to 3,101.50 and 6,419

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Solution

The third proportional to 3,101.50 and 6,419 is: 13,285.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.50 : 6,419 = 6,419 : x
  2. Step 2: Convert to fraction form
    3,101.50/6,419 = 6,419/x
  3. Step 3: Cross multiply
    3,101.50x = 6,419 × 6,419
  4. Step 4: Simplify right side
    3,101.50x = 41,203,561
  5. Step 5: Solve for x
    x = 41,203,561/3,101.50
  6. Step 6: Final answer
    x = 13,285.04

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.