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Finding the Third Proportional to 36,840 and 80,427

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Solution

The third proportional to 36,840 and 80,427 is: 175,583.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,840 : 80,427 = 80,427 : x
  2. Step 2: Convert to fraction form
    36,840/80,427 = 80,427/x
  3. Step 3: Cross multiply
    36,840x = 80,427 × 80,427
  4. Step 4: Simplify right side
    36,840x = 6,468,502,329
  5. Step 5: Solve for x
    x = 6,468,502,329/36,840
  6. Step 6: Final answer
    x = 175,583.67

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.