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Finding the Third Proportional to 808,539 and 1,781,134

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Solution

The third proportional to 808,539 and 1,781,134 is: 3,923,667.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,539 : 1,781,134 = 1,781,134 : x
  2. Step 2: Convert to fraction form
    808,539/1,781,134 = 1,781,134/x
  3. Step 3: Cross multiply
    808,539x = 1,781,134 × 1,781,134
  4. Step 4: Simplify right side
    808,539x = 3,172,438,325,956
  5. Step 5: Solve for x
    x = 3,172,438,325,956/808,539
  6. Step 6: Final answer
    x = 3,923,667.66

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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.