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Finding the Third Proportional to 20,391 and 44,382

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Solution

The third proportional to 20,391 and 44,382 is: 96,599.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,391 : 44,382 = 44,382 : x
  2. Step 2: Convert to fraction form
    20,391/44,382 = 44,382/x
  3. Step 3: Cross multiply
    20,391x = 44,382 × 44,382
  4. Step 4: Simplify right side
    20,391x = 1,969,761,924
  5. Step 5: Solve for x
    x = 1,969,761,924/20,391
  6. Step 6: Final answer
    x = 96,599.57

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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.