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Finding the Third Proportional to 28,771,638 and 61,647,180

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Solution

The third proportional to 28,771,638 and 61,647,180 is: 132,087,537.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771,638 : 61,647,180 = 61,647,180 : x
  2. Step 2: Convert to fraction form
    28,771,638/61,647,180 = 61,647,180/x
  3. Step 3: Cross multiply
    28,771,638x = 61,647,180 × 61,647,180
  4. Step 4: Simplify right side
    28,771,638x = 3,800,374,801,952,400
  5. Step 5: Solve for x
    x = 3,800,374,801,952,400/28,771,638
  6. Step 6: Final answer
    x = 132,087,537.11

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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.