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Finding the Third Proportional to 80,828,772 and 126,625,731

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Solution

The third proportional to 80,828,772 and 126,625,731 is: 198,370,893.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,828,772 : 126,625,731 = 126,625,731 : x
  2. Step 2: Convert to fraction form
    80,828,772/126,625,731 = 126,625,731/x
  3. Step 3: Cross multiply
    80,828,772x = 126,625,731 × 126,625,731
  4. Step 4: Simplify right side
    80,828,772x = 16,034,075,751,284,360
  5. Step 5: Solve for x
    x = 16,034,075,751,284,360/80,828,772
  6. Step 6: Final answer
    x = 198,370,893.86

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.