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Finding the Third Proportional to 7,268,261,920 and 15,776,981,858

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Solution

The third proportional to 7,268,261,920 and 15,776,981,858 is: 34,246,585,949.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,268,261,920 : 15,776,981,858 = 15,776,981,858 : x
  2. Step 2: Convert to fraction form
    7,268,261,920/15,776,981,858 = 15,776,981,858/x
  3. Step 3: Cross multiply
    7,268,261,920x = 15,776,981,858 × 15,776,981,858
  4. Step 4: Simplify right side
    7,268,261,920x = 248,913,156,547,661,135,872
  5. Step 5: Solve for x
    x = 248,913,156,547,661,135,872/7,268,261,920
  6. Step 6: Final answer
    x = 34,246,585,949.62

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.