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Finding the Third Proportional to 54,213,360.75 and 81,439,080.75

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Solution

The third proportional to 54,213,360.75 and 81,439,080.75 is: 122,337,441.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,213,360.75 : 81,439,080.75 = 81,439,080.75 : x
  2. Step 2: Convert to fraction form
    54,213,360.75/81,439,080.75 = 81,439,080.75/x
  3. Step 3: Cross multiply
    54,213,360.75x = 81,439,080.75 × 81,439,080.75
  4. Step 4: Simplify right side
    54,213,360.75x = 6,632,323,873,405,021
  5. Step 5: Solve for x
    x = 6,632,323,873,405,021/54,213,360.75
  6. Step 6: Final answer
    x = 122,337,441.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.