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Finding the Third Proportional to 39,626 and 87,026

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Solution

The third proportional to 39,626 and 87,026 is: 191,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,626 : 87,026 = 87,026 : x
  2. Step 2: Convert to fraction form
    39,626/87,026 = 87,026/x
  3. Step 3: Cross multiply
    39,626x = 87,026 × 87,026
  4. Step 4: Simplify right side
    39,626x = 7,573,524,676
  5. Step 5: Solve for x
    x = 7,573,524,676/39,626
  6. Step 6: Final answer
    x = 191,125.14

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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.