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Finding the Third Proportional to 21,977 and 48,436

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Solution

The third proportional to 21,977 and 48,436 is: 106,750.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977 : 48,436 = 48,436 : x
  2. Step 2: Convert to fraction form
    21,977/48,436 = 48,436/x
  3. Step 3: Cross multiply
    21,977x = 48,436 × 48,436
  4. Step 4: Simplify right side
    21,977x = 2,346,046,096
  5. Step 5: Solve for x
    x = 2,346,046,096/21,977
  6. Step 6: Final answer
    x = 106,750.06

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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.