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Finding the Third Proportional to 43,770 and 67,895

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Solution

The third proportional to 43,770 and 67,895 is: 105,317.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,770 : 67,895 = 67,895 : x
  2. Step 2: Convert to fraction form
    43,770/67,895 = 67,895/x
  3. Step 3: Cross multiply
    43,770x = 67,895 × 67,895
  4. Step 4: Simplify right side
    43,770x = 4,609,731,025
  5. Step 5: Solve for x
    x = 4,609,731,025/43,770
  6. Step 6: Final answer
    x = 105,317.14

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