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Finding the Third Proportional to 43,939 and 68,095

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Solution

The third proportional to 43,939 and 68,095 is: 105,531.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,939 : 68,095 = 68,095 : x
  2. Step 2: Convert to fraction form
    43,939/68,095 = 68,095/x
  3. Step 3: Cross multiply
    43,939x = 68,095 × 68,095
  4. Step 4: Simplify right side
    43,939x = 4,636,929,025
  5. Step 5: Solve for x
    x = 4,636,929,025/43,939
  6. Step 6: Final answer
    x = 105,531.05

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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.