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Finding the Third Proportional to 28,638 and 62,361

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Solution

The third proportional to 28,638 and 62,361 is: 135,794.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,638 : 62,361 = 62,361 : x
  2. Step 2: Convert to fraction form
    28,638/62,361 = 62,361/x
  3. Step 3: Cross multiply
    28,638x = 62,361 × 62,361
  4. Step 4: Simplify right side
    28,638x = 3,888,894,321
  5. Step 5: Solve for x
    x = 3,888,894,321/28,638
  6. Step 6: Final answer
    x = 135,794.90

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.