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Finding the Third Proportional to 863.06 and 1,881.56

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Solution

The third proportional to 863.06 and 1,881.56 is: 4,101.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    863.06 : 1,881.56 = 1,881.56 : x
  2. Step 2: Convert to fraction form
    863.06/1,881.56 = 1,881.56/x
  3. Step 3: Cross multiply
    863.06x = 1,881.56 × 1,881.56
  4. Step 4: Simplify right side
    863.06x = 3,540,277.44
  5. Step 5: Solve for x
    x = 3,540,277.44/863.06
  6. Step 6: Final answer
    x = 4,101.99

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.