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Finding the Third Proportional to 3,958.45 and 8,701.59

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Solution

The third proportional to 3,958.45 and 8,701.59 is: 19,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.45 : 8,701.59 = 8,701.59 : x
  2. Step 2: Convert to fraction form
    3,958.45/8,701.59 = 8,701.59/x
  3. Step 3: Cross multiply
    3,958.45x = 8,701.59 × 8,701.59
  4. Step 4: Simplify right side
    3,958.45x = 75,717,733.79
  5. Step 5: Solve for x
    x = 75,717,733.79/3,958.45
  6. Step 6: Final answer
    x = 19,128.11

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.