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Finding the Third Proportional to 193,555 and 416,772

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Solution

The third proportional to 193,555 and 416,772 is: 897,413.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,555 : 416,772 = 416,772 : x
  2. Step 2: Convert to fraction form
    193,555/416,772 = 416,772/x
  3. Step 3: Cross multiply
    193,555x = 416,772 × 416,772
  4. Step 4: Simplify right side
    193,555x = 173,698,899,984
  5. Step 5: Solve for x
    x = 173,698,899,984/193,555
  6. Step 6: Final answer
    x = 897,413.65

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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.