Finding the Third Proportional to 421,539.75 and 642,813.75
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Solution
The third proportional to 421,539.75 and 642,813.75 is: 980,238.56
Step by Step Solution
- Step 1: Write the proportion equation
421,539.75 : 642,813.75 = 642,813.75 : x - Step 2: Convert to fraction form
421,539.75/642,813.75 = 642,813.75/x - Step 3: Cross multiply
421,539.75x = 642,813.75 × 642,813.75 - Step 4: Simplify right side
421,539.75x = 413,209,517,189.06 - Step 5: Solve for x
x = 413,209,517,189.06/421,539.75 - Step 6: Final answer
x = 980,238.56
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