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Finding the Third Proportional to 28,907,940 and 62,579,100

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Solution

The third proportional to 28,907,940 and 62,579,100 is: 135,469,485.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907,940 : 62,579,100 = 62,579,100 : x
  2. Step 2: Convert to fraction form
    28,907,940/62,579,100 = 62,579,100/x
  3. Step 3: Cross multiply
    28,907,940x = 62,579,100 × 62,579,100
  4. Step 4: Simplify right side
    28,907,940x = 3,916,143,756,810,000
  5. Step 5: Solve for x
    x = 3,916,143,756,810,000/28,907,940
  6. Step 6: Final answer
    x = 135,469,485.44

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.