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Finding the Third Proportional to 17,620 and 36,536

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Solution

The third proportional to 17,620 and 36,536 is: 75,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,620 : 36,536 = 36,536 : x
  2. Step 2: Convert to fraction form
    17,620/36,536 = 36,536/x
  3. Step 3: Cross multiply
    17,620x = 36,536 × 36,536
  4. Step 4: Simplify right side
    17,620x = 1,334,879,296
  5. Step 5: Solve for x
    x = 1,334,879,296/17,620
  6. Step 6: Final answer
    x = 75,759.32

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.