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Finding the Third Proportional to 159,791 and 349,647

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Solution

The third proportional to 159,791 and 349,647 is: 765,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,791 : 349,647 = 349,647 : x
  2. Step 2: Convert to fraction form
    159,791/349,647 = 349,647/x
  3. Step 3: Cross multiply
    159,791x = 349,647 × 349,647
  4. Step 4: Simplify right side
    159,791x = 122,253,024,609
  5. Step 5: Solve for x
    x = 122,253,024,609/159,791
  6. Step 6: Final answer
    x = 765,080.79

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.