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Finding the Third Proportional to 21,548 and 44,940

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Solution

The third proportional to 21,548 and 44,940 is: 93,725.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,548 : 44,940 = 44,940 : x
  2. Step 2: Convert to fraction form
    21,548/44,940 = 44,940/x
  3. Step 3: Cross multiply
    21,548x = 44,940 × 44,940
  4. Step 4: Simplify right side
    21,548x = 2,019,603,600
  5. Step 5: Solve for x
    x = 2,019,603,600/21,548
  6. Step 6: Final answer
    x = 93,725.80

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.