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Finding the Third Proportional to 273,928.50 and 555,390

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Solution

The third proportional to 273,928.50 and 555,390 is: 1,126,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,928.50 : 555,390 = 555,390 : x
  2. Step 2: Convert to fraction form
    273,928.50/555,390 = 555,390/x
  3. Step 3: Cross multiply
    273,928.50x = 555,390 × 555,390
  4. Step 4: Simplify right side
    273,928.50x = 308,458,052,100
  5. Step 5: Solve for x
    x = 308,458,052,100/273,928.50
  6. Step 6: Final answer
    x = 1,126,053.16

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.