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Finding the Third Proportional to 1,228,207,540 and 1,886,873,622

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Solution

The third proportional to 1,228,207,540 and 1,886,873,622 is: 2,898,770,728.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,207,540 : 1,886,873,622 = 1,886,873,622 : x
  2. Step 2: Convert to fraction form
    1,228,207,540/1,886,873,622 = 1,886,873,622/x
  3. Step 3: Cross multiply
    1,228,207,540x = 1,886,873,622 × 1,886,873,622
  4. Step 4: Simplify right side
    1,228,207,540x = 3,560,292,065,399,398,912
  5. Step 5: Solve for x
    x = 3,560,292,065,399,398,912/1,228,207,540
  6. Step 6: Final answer
    x = 2,898,770,728.44

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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.