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Finding the Third Proportional to 54,520,168 and 81,820,164

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Solution

The third proportional to 54,520,168 and 81,820,164 is: 122,790,143.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,520,168 : 81,820,164 = 81,820,164 : x
  2. Step 2: Convert to fraction form
    54,520,168/81,820,164 = 81,820,164/x
  3. Step 3: Cross multiply
    54,520,168x = 81,820,164 × 81,820,164
  4. Step 4: Simplify right side
    54,520,168x = 6,694,539,236,986,896
  5. Step 5: Solve for x
    x = 6,694,539,236,986,896/54,520,168
  6. Step 6: Final answer
    x = 122,790,143.22

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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.