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Finding the Third Proportional to 55,996.31 and 86,705.44

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Solution

The third proportional to 55,996.31 and 86,705.44 is: 134,255.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,996.31 : 86,705.44 = 86,705.44 : x
  2. Step 2: Convert to fraction form
    55,996.31/86,705.44 = 86,705.44/x
  3. Step 3: Cross multiply
    55,996.31x = 86,705.44 × 86,705.44
  4. Step 4: Simplify right side
    55,996.31x = 7,517,832,892.07
  5. Step 5: Solve for x
    x = 7,517,832,892.07/55,996.31
  6. Step 6: Final answer
    x = 134,255.86

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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.