Home / 121,285,557.75-263,821,626.75

Finding the Third Proportional to 121,285,557.75 and 263,821,626.75

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Solution

The third proportional to 121,285,557.75 and 263,821,626.75 is: 573,867,590.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,285,557.75 : 263,821,626.75 = 263,821,626.75 : x
  2. Step 2: Convert to fraction form
    121,285,557.75/263,821,626.75 = 263,821,626.75/x
  3. Step 3: Cross multiply
    121,285,557.75x = 263,821,626.75 × 263,821,626.75
  4. Step 4: Simplify right side
    121,285,557.75x = 69,601,850,741,016,312
  5. Step 5: Solve for x
    x = 69,601,850,741,016,312/121,285,557.75
  6. Step 6: Final answer
    x = 573,867,590.11

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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.