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Finding the Third Proportional to 190,302 and 409,836

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Solution

The third proportional to 190,302 and 409,836 is: 882,626.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,302 : 409,836 = 409,836 : x
  2. Step 2: Convert to fraction form
    190,302/409,836 = 409,836/x
  3. Step 3: Cross multiply
    190,302x = 409,836 × 409,836
  4. Step 4: Simplify right side
    190,302x = 167,965,546,896
  5. Step 5: Solve for x
    x = 167,965,546,896/190,302
  6. Step 6: Final answer
    x = 882,626.28

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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.