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Finding the Third Proportional to 17,420 and 24,901

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Solution

The third proportional to 17,420 and 24,901 is: 35,594.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,420 : 24,901 = 24,901 : x
  2. Step 2: Convert to fraction form
    17,420/24,901 = 24,901/x
  3. Step 3: Cross multiply
    17,420x = 24,901 × 24,901
  4. Step 4: Simplify right side
    17,420x = 620,059,801
  5. Step 5: Solve for x
    x = 620,059,801/17,420
  6. Step 6: Final answer
    x = 35,594.71

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.