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Finding the Third Proportional to 28,198,442 and 61,770,100

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Solution

The third proportional to 28,198,442 and 61,770,100 is: 135,310,498.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,198,442 : 61,770,100 = 61,770,100 : x
  2. Step 2: Convert to fraction form
    28,198,442/61,770,100 = 61,770,100/x
  3. Step 3: Cross multiply
    28,198,442x = 61,770,100 × 61,770,100
  4. Step 4: Simplify right side
    28,198,442x = 3,815,545,254,010,000
  5. Step 5: Solve for x
    x = 3,815,545,254,010,000/28,198,442
  6. Step 6: Final answer
    x = 135,310,498.86

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.