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Finding the Third Proportional to 89,213.06 and 121,101.75

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Solution

The third proportional to 89,213.06 and 121,101.75 is: 164,388.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,213.06 : 121,101.75 = 121,101.75 : x
  2. Step 2: Convert to fraction form
    89,213.06/121,101.75 = 121,101.75/x
  3. Step 3: Cross multiply
    89,213.06x = 121,101.75 × 121,101.75
  4. Step 4: Simplify right side
    89,213.06x = 14,665,633,853.06
  5. Step 5: Solve for x
    x = 14,665,633,853.06/89,213.06
  6. Step 6: Final answer
    x = 164,388.86

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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.