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Finding the Third Proportional to 21,874 and 48,260

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Solution

The third proportional to 21,874 and 48,260 is: 106,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,874 : 48,260 = 48,260 : x
  2. Step 2: Convert to fraction form
    21,874/48,260 = 48,260/x
  3. Step 3: Cross multiply
    21,874x = 48,260 × 48,260
  4. Step 4: Simplify right side
    21,874x = 2,329,027,600
  5. Step 5: Solve for x
    x = 2,329,027,600/21,874
  6. Step 6: Final answer
    x = 106,474.70

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.