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Finding the Third Proportional to 21,627 and 33,453

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Solution

The third proportional to 21,627 and 33,453 is: 51,745.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,627 : 33,453 = 33,453 : x
  2. Step 2: Convert to fraction form
    21,627/33,453 = 33,453/x
  3. Step 3: Cross multiply
    21,627x = 33,453 × 33,453
  4. Step 4: Simplify right side
    21,627x = 1,119,103,209
  5. Step 5: Solve for x
    x = 1,119,103,209/21,627
  6. Step 6: Final answer
    x = 51,745.65

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.