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Finding the Third Proportional to 28,542 and 44,372

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Solution

The third proportional to 28,542 and 44,372 is: 68,981.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542 : 44,372 = 44,372 : x
  2. Step 2: Convert to fraction form
    28,542/44,372 = 44,372/x
  3. Step 3: Cross multiply
    28,542x = 44,372 × 44,372
  4. Step 4: Simplify right side
    28,542x = 1,968,874,384
  5. Step 5: Solve for x
    x = 1,968,874,384/28,542
  6. Step 6: Final answer
    x = 68,981.65

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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.