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Finding the Third Proportional to 17,946 and 36,621

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Solution

The third proportional to 17,946 and 36,621 is: 74,729.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,946 : 36,621 = 36,621 : x
  2. Step 2: Convert to fraction form
    17,946/36,621 = 36,621/x
  3. Step 3: Cross multiply
    17,946x = 36,621 × 36,621
  4. Step 4: Simplify right side
    17,946x = 1,341,097,641
  5. Step 5: Solve for x
    x = 1,341,097,641/17,946
  6. Step 6: Final answer
    x = 74,729.61

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.