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Finding the Third Proportional to 28,771,640 and 61,647,182

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Solution

The third proportional to 28,771,640 and 61,647,182 is: 132,087,536.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,771,640 : 61,647,182 = 61,647,182 : x
  2. Step 2: Convert to fraction form
    28,771,640/61,647,182 = 61,647,182/x
  3. Step 3: Cross multiply
    28,771,640x = 61,647,182 × 61,647,182
  4. Step 4: Simplify right side
    28,771,640x = 3,800,375,048,541,124
  5. Step 5: Solve for x
    x = 3,800,375,048,541,124/28,771,640
  6. Step 6: Final answer
    x = 132,087,536.50

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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.