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Finding the Third Proportional to 43,854 and 68,028

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Solution

The third proportional to 43,854 and 68,028 is: 105,527.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,854 : 68,028 = 68,028 : x
  2. Step 2: Convert to fraction form
    43,854/68,028 = 68,028/x
  3. Step 3: Cross multiply
    43,854x = 68,028 × 68,028
  4. Step 4: Simplify right side
    43,854x = 4,627,808,784
  5. Step 5: Solve for x
    x = 4,627,808,784/43,854
  6. Step 6: Final answer
    x = 105,527.63

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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.