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Finding the Third Proportional to 8,585.50 and 13,126

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Solution

The third proportional to 8,585.50 and 13,126 is: 20,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.50 : 13,126 = 13,126 : x
  2. Step 2: Convert to fraction form
    8,585.50/13,126 = 13,126/x
  3. Step 3: Cross multiply
    8,585.50x = 13,126 × 13,126
  4. Step 4: Simplify right side
    8,585.50x = 172,291,876
  5. Step 5: Solve for x
    x = 172,291,876/8,585.50
  6. Step 6: Final answer
    x = 20,067.77

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.