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Finding the Third Proportional to 2,420.25 and 3,846.38

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Solution

The third proportional to 2,420.25 and 3,846.38 is: 6,112.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420.25 : 3,846.38 = 3,846.38 : x
  2. Step 2: Convert to fraction form
    2,420.25/3,846.38 = 3,846.38/x
  3. Step 3: Cross multiply
    2,420.25x = 3,846.38 × 3,846.38
  4. Step 4: Simplify right side
    2,420.25x = 14,794,600.64
  5. Step 5: Solve for x
    x = 14,794,600.64/2,420.25
  6. Step 6: Final answer
    x = 6,112.84

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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.