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Finding the Third Proportional to 36,837 and 80,420

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Solution

The third proportional to 36,837 and 80,420 is: 175,567.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,837 : 80,420 = 80,420 : x
  2. Step 2: Convert to fraction form
    36,837/80,420 = 80,420/x
  3. Step 3: Cross multiply
    36,837x = 80,420 × 80,420
  4. Step 4: Simplify right side
    36,837x = 6,467,376,400
  5. Step 5: Solve for x
    x = 6,467,376,400/36,837
  6. Step 6: Final answer
    x = 175,567.40

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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.