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Finding the Third Proportional to 17,670 and 27,396

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Solution

The third proportional to 17,670 and 27,396 is: 42,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670 : 27,396 = 27,396 : x
  2. Step 2: Convert to fraction form
    17,670/27,396 = 27,396/x
  3. Step 3: Cross multiply
    17,670x = 27,396 × 27,396
  4. Step 4: Simplify right side
    17,670x = 750,540,816
  5. Step 5: Solve for x
    x = 750,540,816/17,670
  6. Step 6: Final answer
    x = 42,475.43

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.