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Finding the Third Proportional to 159,122 and 223,059

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Solution

The third proportional to 159,122 and 223,059 is: 312,686.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,122 : 223,059 = 223,059 : x
  2. Step 2: Convert to fraction form
    159,122/223,059 = 223,059/x
  3. Step 3: Cross multiply
    159,122x = 223,059 × 223,059
  4. Step 4: Simplify right side
    159,122x = 49,755,317,481
  5. Step 5: Solve for x
    x = 49,755,317,481/159,122
  6. Step 6: Final answer
    x = 312,686.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.