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Finding the Third Proportional to 143,194 and 218,562

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Solution

The third proportional to 143,194 and 218,562 is: 333,598.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,194 : 218,562 = 218,562 : x
  2. Step 2: Convert to fraction form
    143,194/218,562 = 218,562/x
  3. Step 3: Cross multiply
    143,194x = 218,562 × 218,562
  4. Step 4: Simplify right side
    143,194x = 47,769,347,844
  5. Step 5: Solve for x
    x = 47,769,347,844/143,194
  6. Step 6: Final answer
    x = 333,598.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.