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Finding the Third Proportional to 9,489,682,953.75 and 20,407,530,557.63

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Solution

The third proportional to 9,489,682,953.75 and 20,407,530,557.63 is: 43,886,324,283.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489,682,953.75 : 20,407,530,557.63 = 20,407,530,557.63 : x
  2. Step 2: Convert to fraction form
    9,489,682,953.75/20,407,530,557.63 = 20,407,530,557.63/x
  3. Step 3: Cross multiply
    9,489,682,953.75x = 20,407,530,557.63 × 20,407,530,557.63
  4. Step 4: Simplify right side
    9,489,682,953.75x = 416,467,303,460,398,170,112
  5. Step 5: Solve for x
    x = 416,467,303,460,398,170,112/9,489,682,953.75
  6. Step 6: Final answer
    x = 43,886,324,283.98

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1.5x scale

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.