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Finding the Third Proportional to 16,836 and 26,411

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Solution

The third proportional to 16,836 and 26,411 is: 41,431.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,836 : 26,411 = 26,411 : x
  2. Step 2: Convert to fraction form
    16,836/26,411 = 26,411/x
  3. Step 3: Cross multiply
    16,836x = 26,411 × 26,411
  4. Step 4: Simplify right side
    16,836x = 697,540,921
  5. Step 5: Solve for x
    x = 697,540,921/16,836
  6. Step 6: Final answer
    x = 41,431.51

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.