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Finding the Third Proportional to 438,151,740.75 and 680,610,978

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Solution

The third proportional to 438,151,740.75 and 680,610,978 is: 1,057,239,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,151,740.75 : 680,610,978 = 680,610,978 : x
  2. Step 2: Convert to fraction form
    438,151,740.75/680,610,978 = 680,610,978/x
  3. Step 3: Cross multiply
    438,151,740.75x = 680,610,978 × 680,610,978
  4. Step 4: Simplify right side
    438,151,740.75x = 463,231,303,374,116,480
  5. Step 5: Solve for x
    x = 463,231,303,374,116,480/438,151,740.75
  6. Step 6: Final answer
    x = 1,057,239,445.36

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Why These Related Problems?

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