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Finding the Third Proportional to 21,976 and 51,848

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Solution

The third proportional to 21,976 and 51,848 is: 122,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,976 : 51,848 = 51,848 : x
  2. Step 2: Convert to fraction form
    21,976/51,848 = 51,848/x
  3. Step 3: Cross multiply
    21,976x = 51,848 × 51,848
  4. Step 4: Simplify right side
    21,976x = 2,688,215,104
  5. Step 5: Solve for x
    x = 2,688,215,104/21,976
  6. Step 6: Final answer
    x = 122,325.04

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.