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Finding the Third Proportional to 28,771,660 and 61,647,220

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Solution

The third proportional to 28,771,660 and 61,647,220 is: 132,087,607.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771,660 : 61,647,220 = 61,647,220 : x
  2. Step 2: Convert to fraction form
    28,771,660/61,647,220 = 61,647,220/x
  3. Step 3: Cross multiply
    28,771,660x = 61,647,220 × 61,647,220
  4. Step 4: Simplify right side
    28,771,660x = 3,800,379,733,728,400
  5. Step 5: Solve for x
    x = 3,800,379,733,728,400/28,771,660
  6. Step 6: Final answer
    x = 132,087,607.52

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.