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Finding the Third Proportional to 8,138 and 16,798

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Solution

The third proportional to 8,138 and 16,798 is: 34,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,138 : 16,798 = 16,798 : x
  2. Step 2: Convert to fraction form
    8,138/16,798 = 16,798/x
  3. Step 3: Cross multiply
    8,138x = 16,798 × 16,798
  4. Step 4: Simplify right side
    8,138x = 282,172,804
  5. Step 5: Solve for x
    x = 282,172,804/8,138
  6. Step 6: Final answer
    x = 34,673.48

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.