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Finding the Third Proportional to 18,585 and 36,234

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Solution

The third proportional to 18,585 and 36,234 is: 70,643.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585 : 36,234 = 36,234 : x
  2. Step 2: Convert to fraction form
    18,585/36,234 = 36,234/x
  3. Step 3: Cross multiply
    18,585x = 36,234 × 36,234
  4. Step 4: Simplify right side
    18,585x = 1,312,902,756
  5. Step 5: Solve for x
    x = 1,312,902,756/18,585
  6. Step 6: Final answer
    x = 70,643.14

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.