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Finding the Third Proportional to 8,054 and 16,420

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Solution

The third proportional to 8,054 and 16,420 is: 33,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,054 : 16,420 = 16,420 : x
  2. Step 2: Convert to fraction form
    8,054/16,420 = 16,420/x
  3. Step 3: Cross multiply
    8,054x = 16,420 × 16,420
  4. Step 4: Simplify right side
    8,054x = 269,616,400
  5. Step 5: Solve for x
    x = 269,616,400/8,054
  6. Step 6: Final answer
    x = 33,476.09

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.