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Finding the Third Proportional to 193,828 and 411,140

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Solution

The third proportional to 193,828 and 411,140 is: 872,093.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,828 : 411,140 = 411,140 : x
  2. Step 2: Convert to fraction form
    193,828/411,140 = 411,140/x
  3. Step 3: Cross multiply
    193,828x = 411,140 × 411,140
  4. Step 4: Simplify right side
    193,828x = 169,036,099,600
  5. Step 5: Solve for x
    x = 169,036,099,600/193,828
  6. Step 6: Final answer
    x = 872,093.30

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.