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Finding the Third Proportional to 279,889,847 and 607,355,328

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Solution

The third proportional to 279,889,847 and 607,355,328 is: 1,317,948,823.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,889,847 : 607,355,328 = 607,355,328 : x
  2. Step 2: Convert to fraction form
    279,889,847/607,355,328 = 607,355,328/x
  3. Step 3: Cross multiply
    279,889,847x = 607,355,328 × 607,355,328
  4. Step 4: Simplify right side
    279,889,847x = 368,880,494,449,987,584
  5. Step 5: Solve for x
    x = 368,880,494,449,987,584/279,889,847
  6. Step 6: Final answer
    x = 1,317,948,823.10

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.