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Finding the Third Proportional to 292,247 and 628,195

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Solution

The third proportional to 292,247 and 628,195 is: 1,350,326.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,247 : 628,195 = 628,195 : x
  2. Step 2: Convert to fraction form
    292,247/628,195 = 628,195/x
  3. Step 3: Cross multiply
    292,247x = 628,195 × 628,195
  4. Step 4: Simplify right side
    292,247x = 394,628,958,025
  5. Step 5: Solve for x
    x = 394,628,958,025/292,247
  6. Step 6: Final answer
    x = 1,350,326.81

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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.