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Finding the Third Proportional to 19,452 and 30,879

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Solution

The third proportional to 19,452 and 30,879 is: 49,018.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,452 : 30,879 = 30,879 : x
  2. Step 2: Convert to fraction form
    19,452/30,879 = 30,879/x
  3. Step 3: Cross multiply
    19,452x = 30,879 × 30,879
  4. Step 4: Simplify right side
    19,452x = 953,512,641
  5. Step 5: Solve for x
    x = 953,512,641/19,452
  6. Step 6: Final answer
    x = 49,018.75

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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.