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Finding the Third Proportional to 395,850,372 and 818,854,536

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Solution

The third proportional to 395,850,372 and 818,854,536 is: 1,693,879,300.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,850,372 : 818,854,536 = 818,854,536 : x
  2. Step 2: Convert to fraction form
    395,850,372/818,854,536 = 818,854,536/x
  3. Step 3: Cross multiply
    395,850,372x = 818,854,536 × 818,854,536
  4. Step 4: Simplify right side
    395,850,372x = 670,522,751,127,775,232
  5. Step 5: Solve for x
    x = 670,522,751,127,775,232/395,850,372
  6. Step 6: Final answer
    x = 1,693,879,300.25

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.