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Finding the Third Proportional to 127,725,282 and 279,631,115

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Solution

The third proportional to 127,725,282 and 279,631,115 is: 612,201,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,725,282 : 279,631,115 = 279,631,115 : x
  2. Step 2: Convert to fraction form
    127,725,282/279,631,115 = 279,631,115/x
  3. Step 3: Cross multiply
    127,725,282x = 279,631,115 × 279,631,115
  4. Step 4: Simplify right side
    127,725,282x = 78,193,560,476,143,232
  5. Step 5: Solve for x
    x = 78,193,560,476,143,232/127,725,282
  6. Step 6: Final answer
    x = 612,201,118.30

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.