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Finding the Third Proportional to 6,796 and 9,989

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Solution

The third proportional to 6,796 and 9,989 is: 14,682.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,796 : 9,989 = 9,989 : x
  2. Step 2: Convert to fraction form
    6,796/9,989 = 9,989/x
  3. Step 3: Cross multiply
    6,796x = 9,989 × 9,989
  4. Step 4: Simplify right side
    6,796x = 99,780,121
  5. Step 5: Solve for x
    x = 99,780,121/6,796
  6. Step 6: Final answer
    x = 14,682.18

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.