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Finding the Third Proportional to 190,122 and 404,716

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Solution

The third proportional to 190,122 and 404,716 is: 861,525.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,122 : 404,716 = 404,716 : x
  2. Step 2: Convert to fraction form
    190,122/404,716 = 404,716/x
  3. Step 3: Cross multiply
    190,122x = 404,716 × 404,716
  4. Step 4: Simplify right side
    190,122x = 163,795,040,656
  5. Step 5: Solve for x
    x = 163,795,040,656/190,122
  6. Step 6: Final answer
    x = 861,525.97

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.