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Finding the Third Proportional to 7,977 and 16,826

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Solution

The third proportional to 7,977 and 16,826 is: 35,491.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977 : 16,826 = 16,826 : x
  2. Step 2: Convert to fraction form
    7,977/16,826 = 16,826/x
  3. Step 3: Cross multiply
    7,977x = 16,826 × 16,826
  4. Step 4: Simplify right side
    7,977x = 283,114,276
  5. Step 5: Solve for x
    x = 283,114,276/7,977
  6. Step 6: Final answer
    x = 35,491.32

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.