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Finding the Third Proportional to 28,670,297,992.88 and 39,863,757,701.81

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Solution

The third proportional to 28,670,297,992.88 and 39,863,757,701.81 is: 55,427,368,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,670,297,992.88 : 39,863,757,701.81 = 39,863,757,701.81 : x
  2. Step 2: Convert to fraction form
    28,670,297,992.88/39,863,757,701.81 = 39,863,757,701.81/x
  3. Step 3: Cross multiply
    28,670,297,992.88x = 39,863,757,701.81 × 39,863,757,701.81
  4. Step 4: Simplify right side
    28,670,297,992.88x = 1,589,119,178,108,775,170,048
  5. Step 5: Solve for x
    x = 1,589,119,178,108,775,170,048/28,670,297,992.88
  6. Step 6: Final answer
    x = 55,427,368,718.10

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.