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Finding the Third Proportional to 43,940 and 68,094

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Solution

The third proportional to 43,940 and 68,094 is: 105,525.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,940 : 68,094 = 68,094 : x
  2. Step 2: Convert to fraction form
    43,940/68,094 = 68,094/x
  3. Step 3: Cross multiply
    43,940x = 68,094 × 68,094
  4. Step 4: Simplify right side
    43,940x = 4,636,792,836
  5. Step 5: Solve for x
    x = 4,636,792,836/43,940
  6. Step 6: Final answer
    x = 105,525.55

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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.