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Finding the Third Proportional to 25,062,780 and 39,879,811

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Solution

The third proportional to 25,062,780 and 39,879,811 is: 63,456,620.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,062,780 : 39,879,811 = 39,879,811 : x
  2. Step 2: Convert to fraction form
    25,062,780/39,879,811 = 39,879,811/x
  3. Step 3: Cross multiply
    25,062,780x = 39,879,811 × 39,879,811
  4. Step 4: Simplify right side
    25,062,780x = 1,590,399,325,395,721
  5. Step 5: Solve for x
    x = 1,590,399,325,395,721/25,062,780
  6. Step 6: Final answer
    x = 63,456,620.75

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.