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Finding the Third Proportional to 6,418 and 13,796

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Solution

The third proportional to 6,418 and 13,796 is: 29,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418 : 13,796 = 13,796 : x
  2. Step 2: Convert to fraction form
    6,418/13,796 = 13,796/x
  3. Step 3: Cross multiply
    6,418x = 13,796 × 13,796
  4. Step 4: Simplify right side
    6,418x = 190,329,616
  5. Step 5: Solve for x
    x = 190,329,616/6,418
  6. Step 6: Final answer
    x = 29,655.60

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.