Home / 85,141,584.42-121,751,520.19

Finding the Third Proportional to 85,141,584.42 and 121,751,520.19

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Solution

The third proportional to 85,141,584.42 and 121,751,520.19 is: 174,103,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,141,584.42 : 121,751,520.19 = 121,751,520.19 : x
  2. Step 2: Convert to fraction form
    85,141,584.42/121,751,520.19 = 121,751,520.19/x
  3. Step 3: Cross multiply
    85,141,584.42x = 121,751,520.19 × 121,751,520.19
  4. Step 4: Simplify right side
    85,141,584.42x = 14,823,432,667,967,220
  5. Step 5: Solve for x
    x = 14,823,432,667,967,220/85,141,584.42
  6. Step 6: Final answer
    x = 174,103,321.76

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.