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Finding the Third Proportional to 220,874 and 350,308

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Solution

The third proportional to 220,874 and 350,308 is: 555,591.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,874 : 350,308 = 350,308 : x
  2. Step 2: Convert to fraction form
    220,874/350,308 = 350,308/x
  3. Step 3: Cross multiply
    220,874x = 350,308 × 350,308
  4. Step 4: Simplify right side
    220,874x = 122,715,694,864
  5. Step 5: Solve for x
    x = 122,715,694,864/220,874
  6. Step 6: Final answer
    x = 555,591.40

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.