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Finding the Third Proportional to 236,489 and 357,191

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Solution

The third proportional to 236,489 and 357,191 is: 539,498.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,489 : 357,191 = 357,191 : x
  2. Step 2: Convert to fraction form
    236,489/357,191 = 357,191/x
  3. Step 3: Cross multiply
    236,489x = 357,191 × 357,191
  4. Step 4: Simplify right side
    236,489x = 127,585,410,481
  5. Step 5: Solve for x
    x = 127,585,410,481/236,489
  6. Step 6: Final answer
    x = 539,498.29

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.