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Finding the Third Proportional to 26,311.50 and 40,845

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Solution

The third proportional to 26,311.50 and 40,845 is: 63,406.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,311.50 : 40,845 = 40,845 : x
  2. Step 2: Convert to fraction form
    26,311.50/40,845 = 40,845/x
  3. Step 3: Cross multiply
    26,311.50x = 40,845 × 40,845
  4. Step 4: Simplify right side
    26,311.50x = 1,668,314,025
  5. Step 5: Solve for x
    x = 1,668,314,025/26,311.50
  6. Step 6: Final answer
    x = 63,406.27

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.