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Finding the Third Proportional to 162,780 and 350,100

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Solution

The third proportional to 162,780 and 350,100 is: 752,979.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,780 : 350,100 = 350,100 : x
  2. Step 2: Convert to fraction form
    162,780/350,100 = 350,100/x
  3. Step 3: Cross multiply
    162,780x = 350,100 × 350,100
  4. Step 4: Simplify right side
    162,780x = 122,570,010,000
  5. Step 5: Solve for x
    x = 122,570,010,000/162,780
  6. Step 6: Final answer
    x = 752,979.54

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.