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Finding the Third Proportional to 6,938 and 12,796

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Solution

The third proportional to 6,938 and 12,796 is: 23,600.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938 : 12,796 = 12,796 : x
  2. Step 2: Convert to fraction form
    6,938/12,796 = 12,796/x
  3. Step 3: Cross multiply
    6,938x = 12,796 × 12,796
  4. Step 4: Simplify right side
    6,938x = 163,737,616
  5. Step 5: Solve for x
    x = 163,737,616/6,938
  6. Step 6: Final answer
    x = 23,600.12

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Why These Related Problems?

These problems maintain the same ratio (1.84) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.