Finding the Third Proportional to 489,408.75 and 689,208.75
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Solution
The third proportional to 489,408.75 and 689,208.75 is: 970,576.64
Step by Step Solution
- Step 1: Write the proportion equation
489,408.75 : 689,208.75 = 689,208.75 : x - Step 2: Convert to fraction form
489,408.75/689,208.75 = 689,208.75/x - Step 3: Cross multiply
489,408.75x = 689,208.75 × 689,208.75 - Step 4: Simplify right side
489,408.75x = 475,008,701,076.56 - Step 5: Solve for x
x = 475,008,701,076.56/489,408.75 - Step 6: Final answer
x = 970,576.64
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