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Finding the Third Proportional to 320,259,308 and 699,242,968

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Solution

The third proportional to 320,259,308 and 699,242,968 is: 1,526,702,631.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,259,308 : 699,242,968 = 699,242,968 : x
  2. Step 2: Convert to fraction form
    320,259,308/699,242,968 = 699,242,968/x
  3. Step 3: Cross multiply
    320,259,308x = 699,242,968 × 699,242,968
  4. Step 4: Simplify right side
    320,259,308x = 488,940,728,297,449,024
  5. Step 5: Solve for x
    x = 488,940,728,297,449,024/320,259,308
  6. Step 6: Final answer
    x = 1,526,702,631.54

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.