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Finding the Third Proportional to 2,128 and 3,194

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Solution

The third proportional to 2,128 and 3,194 is: 4,794.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,128 : 3,194 = 3,194 : x
  2. Step 2: Convert to fraction form
    2,128/3,194 = 3,194/x
  3. Step 3: Cross multiply
    2,128x = 3,194 × 3,194
  4. Step 4: Simplify right side
    2,128x = 10,201,636
  5. Step 5: Solve for x
    x = 10,201,636/2,128
  6. Step 6: Final answer
    x = 4,794.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.