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Finding the Third Proportional to 89,331.75 and 191,616.75

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Solution

The third proportional to 89,331.75 and 191,616.75 is: 411,018.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,331.75 : 191,616.75 = 191,616.75 : x
  2. Step 2: Convert to fraction form
    89,331.75/191,616.75 = 191,616.75/x
  3. Step 3: Cross multiply
    89,331.75x = 191,616.75 × 191,616.75
  4. Step 4: Simplify right side
    89,331.75x = 36,716,978,880.56
  5. Step 5: Solve for x
    x = 36,716,978,880.56/89,331.75
  6. Step 6: Final answer
    x = 411,018.24

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.