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Finding the Third Proportional to 28,351,397 and 42,517,879

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Solution

The third proportional to 28,351,397 and 42,517,879 is: 63,762,996.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,351,397 : 42,517,879 = 42,517,879 : x
  2. Step 2: Convert to fraction form
    28,351,397/42,517,879 = 42,517,879/x
  3. Step 3: Cross multiply
    28,351,397x = 42,517,879 × 42,517,879
  4. Step 4: Simplify right side
    28,351,397x = 1,807,770,034,658,641
  5. Step 5: Solve for x
    x = 1,807,770,034,658,641/28,351,397
  6. Step 6: Final answer
    x = 63,762,996.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.