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Finding the Third Proportional to 388,166,328 and 835,521,867

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Solution

The third proportional to 388,166,328 and 835,521,867 is: 1,798,447,572.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,166,328 : 835,521,867 = 835,521,867 : x
  2. Step 2: Convert to fraction form
    388,166,328/835,521,867 = 835,521,867/x
  3. Step 3: Cross multiply
    388,166,328x = 835,521,867 × 835,521,867
  4. Step 4: Simplify right side
    388,166,328x = 698,096,790,235,165,696
  5. Step 5: Solve for x
    x = 698,096,790,235,165,696/388,166,328
  6. Step 6: Final answer
    x = 1,798,447,572.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.