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Finding the Third Proportional to 12,190 and 17,270

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Solution

The third proportional to 12,190 and 17,270 is: 24,467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190 : 17,270 = 17,270 : x
  2. Step 2: Convert to fraction form
    12,190/17,270 = 17,270/x
  3. Step 3: Cross multiply
    12,190x = 17,270 × 17,270
  4. Step 4: Simplify right side
    12,190x = 298,252,900
  5. Step 5: Solve for x
    x = 298,252,900/12,190
  6. Step 6: Final answer
    x = 24,467.01

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.