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Finding the Third Proportional to 135,804 and 292,411

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Solution

The third proportional to 135,804 and 292,411 is: 629,614.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,804 : 292,411 = 292,411 : x
  2. Step 2: Convert to fraction form
    135,804/292,411 = 292,411/x
  3. Step 3: Cross multiply
    135,804x = 292,411 × 292,411
  4. Step 4: Simplify right side
    135,804x = 85,504,192,921
  5. Step 5: Solve for x
    x = 85,504,192,921/135,804
  6. Step 6: Final answer
    x = 629,614.69

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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.