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Finding the Third Proportional to 28,940,778,711 and 62,689,504,131

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Solution

The third proportional to 28,940,778,711 and 62,689,504,131 is: 135,793,648,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940,778,711 : 62,689,504,131 = 62,689,504,131 : x
  2. Step 2: Convert to fraction form
    28,940,778,711/62,689,504,131 = 62,689,504,131/x
  3. Step 3: Cross multiply
    28,940,778,711x = 62,689,504,131 × 62,689,504,131
  4. Step 4: Simplify right side
    28,940,778,711x = 3,929,973,928,190,666,080,256
  5. Step 5: Solve for x
    x = 3,929,973,928,190,666,080,256/28,940,778,711
  6. Step 6: Final answer
    x = 135,793,648,382.27

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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.