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Finding the Third Proportional to 310,420,920 and 675,954,238

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Solution

The third proportional to 310,420,920 and 675,954,238 is: 1,471,917,974.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,420,920 : 675,954,238 = 675,954,238 : x
  2. Step 2: Convert to fraction form
    310,420,920/675,954,238 = 675,954,238/x
  3. Step 3: Cross multiply
    310,420,920x = 675,954,238 × 675,954,238
  4. Step 4: Simplify right side
    310,420,920x = 456,914,131,870,160,640
  5. Step 5: Solve for x
    x = 456,914,131,870,160,640/310,420,920
  6. Step 6: Final answer
    x = 1,471,917,974.70

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.