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Finding the Third Proportional to 51,918,852 and 80,710,200

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Solution

The third proportional to 51,918,852 and 80,710,200 is: 125,467,650.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,918,852 : 80,710,200 = 80,710,200 : x
  2. Step 2: Convert to fraction form
    51,918,852/80,710,200 = 80,710,200/x
  3. Step 3: Cross multiply
    51,918,852x = 80,710,200 × 80,710,200
  4. Step 4: Simplify right side
    51,918,852x = 6,514,136,384,040,000
  5. Step 5: Solve for x
    x = 6,514,136,384,040,000/51,918,852
  6. Step 6: Final answer
    x = 125,467,650.63

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.