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Finding the Third Proportional to 68,197 and 105,762

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Solution

The third proportional to 68,197 and 105,762 is: 164,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,197 : 105,762 = 105,762 : x
  2. Step 2: Convert to fraction form
    68,197/105,762 = 105,762/x
  3. Step 3: Cross multiply
    68,197x = 105,762 × 105,762
  4. Step 4: Simplify right side
    68,197x = 11,185,600,644
  5. Step 5: Solve for x
    x = 11,185,600,644/68,197
  6. Step 6: Final answer
    x = 164,018.95

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.