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Finding the Third Proportional to 3,181.78 and 5,065.03

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Solution

The third proportional to 3,181.78 and 5,065.03 is: 8,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.78 : 5,065.03 = 5,065.03 : x
  2. Step 2: Convert to fraction form
    3,181.78/5,065.03 = 5,065.03/x
  3. Step 3: Cross multiply
    3,181.78x = 5,065.03 × 5,065.03
  4. Step 4: Simplify right side
    3,181.78x = 25,654,541.56
  5. Step 5: Solve for x
    x = 25,654,541.56/3,181.78
  6. Step 6: Final answer
    x = 8,062.95

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.