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Finding the Third Proportional to 292,245 and 628,191

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Solution

The third proportional to 292,245 and 628,191 is: 1,350,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,245 : 628,191 = 628,191 : x
  2. Step 2: Convert to fraction form
    292,245/628,191 = 628,191/x
  3. Step 3: Cross multiply
    292,245x = 628,191 × 628,191
  4. Step 4: Simplify right side
    292,245x = 394,623,932,481
  5. Step 5: Solve for x
    x = 394,623,932,481/292,245
  6. Step 6: Final answer
    x = 1,350,318.85

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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.