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Finding the Third Proportional to 190,679.06 and 411,087.66

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Solution

The third proportional to 190,679.06 and 411,087.66 is: 886,269.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,679.06 : 411,087.66 = 411,087.66 : x
  2. Step 2: Convert to fraction form
    190,679.06/411,087.66 = 411,087.66/x
  3. Step 3: Cross multiply
    190,679.06x = 411,087.66 × 411,087.66
  4. Step 4: Simplify right side
    190,679.06x = 168,993,061,121.12
  5. Step 5: Solve for x
    x = 168,993,061,121.12/190,679.06
  6. Step 6: Final answer
    x = 886,269.62

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.