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Finding the Third Proportional to 3,975 and 5,840.63

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Solution

The third proportional to 3,975 and 5,840.63 is: 8,581.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975 : 5,840.63 = 5,840.63 : x
  2. Step 2: Convert to fraction form
    3,975/5,840.63 = 5,840.63/x
  3. Step 3: Cross multiply
    3,975x = 5,840.63 × 5,840.63
  4. Step 4: Simplify right side
    3,975x = 34,112,900.39
  5. Step 5: Solve for x
    x = 34,112,900.39/3,975
  6. Step 6: Final answer
    x = 8,581.86

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.