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Finding the Third Proportional to 28,676 and 44,291

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Solution

The third proportional to 28,676 and 44,291 is: 68,408.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,676 : 44,291 = 44,291 : x
  2. Step 2: Convert to fraction form
    28,676/44,291 = 44,291/x
  3. Step 3: Cross multiply
    28,676x = 44,291 × 44,291
  4. Step 4: Simplify right side
    28,676x = 1,961,692,681
  5. Step 5: Solve for x
    x = 1,961,692,681/28,676
  6. Step 6: Final answer
    x = 68,408.87

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.