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Finding the Third Proportional to 18,531 and 28,662

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Solution

The third proportional to 18,531 and 28,662 is: 44,331.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531 : 28,662 = 28,662 : x
  2. Step 2: Convert to fraction form
    18,531/28,662 = 28,662/x
  3. Step 3: Cross multiply
    18,531x = 28,662 × 28,662
  4. Step 4: Simplify right side
    18,531x = 821,510,244
  5. Step 5: Solve for x
    x = 821,510,244/18,531
  6. Step 6: Final answer
    x = 44,331.67

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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.