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Finding the Third Proportional to 186,923 and 411,212

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Solution

The third proportional to 186,923 and 411,212 is: 904,625.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,923 : 411,212 = 411,212 : x
  2. Step 2: Convert to fraction form
    186,923/411,212 = 411,212/x
  3. Step 3: Cross multiply
    186,923x = 411,212 × 411,212
  4. Step 4: Simplify right side
    186,923x = 169,095,308,944
  5. Step 5: Solve for x
    x = 169,095,308,944/186,923
  6. Step 6: Final answer
    x = 904,625.48

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.