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Finding the Third Proportional to 43,848 and 68,020

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Solution

The third proportional to 43,848 and 68,020 is: 105,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,848 : 68,020 = 68,020 : x
  2. Step 2: Convert to fraction form
    43,848/68,020 = 68,020/x
  3. Step 3: Cross multiply
    43,848x = 68,020 × 68,020
  4. Step 4: Simplify right side
    43,848x = 4,626,720,400
  5. Step 5: Solve for x
    x = 4,626,720,400/43,848
  6. Step 6: Final answer
    x = 105,517.25

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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.