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Finding the Third Proportional to 9,324 and 18,189

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Solution

The third proportional to 9,324 and 18,189 is: 35,482.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324 : 18,189 = 18,189 : x
  2. Step 2: Convert to fraction form
    9,324/18,189 = 18,189/x
  3. Step 3: Cross multiply
    9,324x = 18,189 × 18,189
  4. Step 4: Simplify right side
    9,324x = 330,839,721
  5. Step 5: Solve for x
    x = 330,839,721/9,324
  6. Step 6: Final answer
    x = 35,482.60

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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.