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Finding the Third Proportional to 45,372,912 and 69,741,360

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Solution

The third proportional to 45,372,912 and 69,741,360 is: 107,197,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,372,912 : 69,741,360 = 69,741,360 : x
  2. Step 2: Convert to fraction form
    45,372,912/69,741,360 = 69,741,360/x
  3. Step 3: Cross multiply
    45,372,912x = 69,741,360 × 69,741,360
  4. Step 4: Simplify right side
    45,372,912x = 4,863,857,294,649,600
  5. Step 5: Solve for x
    x = 4,863,857,294,649,600/45,372,912
  6. Step 6: Final answer
    x = 107,197,380.12

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.