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Finding the Third Proportional to 43,979 and 103,715

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Solution

The third proportional to 43,979 and 103,715 is: 244,589.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,979 : 103,715 = 103,715 : x
  2. Step 2: Convert to fraction form
    43,979/103,715 = 103,715/x
  3. Step 3: Cross multiply
    43,979x = 103,715 × 103,715
  4. Step 4: Simplify right side
    43,979x = 10,756,801,225
  5. Step 5: Solve for x
    x = 10,756,801,225/43,979
  6. Step 6: Final answer
    x = 244,589.49

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.