Finding the Third Proportional to 408,921.75 and 620,740.13
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Solution
The third proportional to 408,921.75 and 620,740.13 is: 942,278.82
Step by Step Solution
- Step 1: Write the proportion equation
408,921.75 : 620,740.13 = 620,740.13 : x - Step 2: Convert to fraction form
408,921.75/620,740.13 = 620,740.13/x - Step 3: Cross multiply
408,921.75x = 620,740.13 × 620,740.13 - Step 4: Simplify right side
408,921.75x = 385,318,302,785.02 - Step 5: Solve for x
x = 385,318,302,785.02/408,921.75 - Step 6: Final answer
x = 942,278.82
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