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Finding the Third Proportional to 43,876.50 and 70,659

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Solution

The third proportional to 43,876.50 and 70,659 is: 113,789.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,876.50 : 70,659 = 70,659 : x
  2. Step 2: Convert to fraction form
    43,876.50/70,659 = 70,659/x
  3. Step 3: Cross multiply
    43,876.50x = 70,659 × 70,659
  4. Step 4: Simplify right side
    43,876.50x = 4,992,694,281
  5. Step 5: Solve for x
    x = 4,992,694,281/43,876.50
  6. Step 6: Final answer
    x = 113,789.71

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.