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Finding the Third Proportional to 190,195.50 and 401,608.50

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Solution

The third proportional to 190,195.50 and 401,608.50 is: 848,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,195.50 : 401,608.50 = 401,608.50 : x
  2. Step 2: Convert to fraction form
    190,195.50/401,608.50 = 401,608.50/x
  3. Step 3: Cross multiply
    190,195.50x = 401,608.50 × 401,608.50
  4. Step 4: Simplify right side
    190,195.50x = 161,289,387,272.25
  5. Step 5: Solve for x
    x = 161,289,387,272.25/190,195.50
  6. Step 6: Final answer
    x = 848,018.95

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.