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Finding the Third Proportional to 2,442.38 and 5,370.75

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Solution

The third proportional to 2,442.38 and 5,370.75 is: 11,810.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442.38 : 5,370.75 = 5,370.75 : x
  2. Step 2: Convert to fraction form
    2,442.38/5,370.75 = 5,370.75/x
  3. Step 3: Cross multiply
    2,442.38x = 5,370.75 × 5,370.75
  4. Step 4: Simplify right side
    2,442.38x = 28,844,955.56
  5. Step 5: Solve for x
    x = 28,844,955.56/2,442.38
  6. Step 6: Final answer
    x = 11,810.21

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.