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Finding the Third Proportional to 17,190 and 22,965

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Solution

The third proportional to 17,190 and 22,965 is: 30,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,190 : 22,965 = 22,965 : x
  2. Step 2: Convert to fraction form
    17,190/22,965 = 22,965/x
  3. Step 3: Cross multiply
    17,190x = 22,965 × 22,965
  4. Step 4: Simplify right side
    17,190x = 527,391,225
  5. Step 5: Solve for x
    x = 527,391,225/17,190
  6. Step 6: Final answer
    x = 30,680.12

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.