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Finding the Third Proportional to 277,274 and 414,063

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Solution

The third proportional to 277,274 and 414,063 is: 618,334.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,274 : 414,063 = 414,063 : x
  2. Step 2: Convert to fraction form
    277,274/414,063 = 414,063/x
  3. Step 3: Cross multiply
    277,274x = 414,063 × 414,063
  4. Step 4: Simplify right side
    277,274x = 171,448,167,969
  5. Step 5: Solve for x
    x = 171,448,167,969/277,274
  6. Step 6: Final answer
    x = 618,334.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.