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Finding the Third Proportional to 270,155.50 and 587,879

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Solution

The third proportional to 270,155.50 and 587,879 is: 1,279,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,155.50 : 587,879 = 587,879 : x
  2. Step 2: Convert to fraction form
    270,155.50/587,879 = 587,879/x
  3. Step 3: Cross multiply
    270,155.50x = 587,879 × 587,879
  4. Step 4: Simplify right side
    270,155.50x = 345,601,718,641
  5. Step 5: Solve for x
    x = 345,601,718,641/270,155.50
  6. Step 6: Final answer
    x = 1,279,269.60

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.