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Finding the Third Proportional to 28,670,297,858 and 39,863,757,478

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Solution

The third proportional to 28,670,297,858 and 39,863,757,478 is: 55,427,368,356.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,670,297,858 : 39,863,757,478 = 39,863,757,478 : x
  2. Step 2: Convert to fraction form
    28,670,297,858/39,863,757,478 = 39,863,757,478/x
  3. Step 3: Cross multiply
    28,670,297,858x = 39,863,757,478 × 39,863,757,478
  4. Step 4: Simplify right side
    28,670,297,858x = 1,589,119,160,264,800,862,208
  5. Step 5: Solve for x
    x = 1,589,119,160,264,800,862,208/28,670,297,858
  6. Step 6: Final answer
    x = 55,427,368,356.46

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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.