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Finding the Third Proportional to 241,710 and 339,777

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Solution

The third proportional to 241,710 and 339,777 is: 477,631.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,710 : 339,777 = 339,777 : x
  2. Step 2: Convert to fraction form
    241,710/339,777 = 339,777/x
  3. Step 3: Cross multiply
    241,710x = 339,777 × 339,777
  4. Step 4: Simplify right side
    241,710x = 115,448,409,729
  5. Step 5: Solve for x
    x = 115,448,409,729/241,710
  6. Step 6: Final answer
    x = 477,631.91

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.