Finding the Third Proportional to 409.50 and 900
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Solution
The third proportional to 409.50 and 900 is: 1,978.02
Step by Step Solution
- Step 1: Write the proportion equation
409.50 : 900 = 900 : x - Step 2: Convert to fraction form
409.50/900 = 900/x - Step 3: Cross multiply
409.50x = 900 × 900 - Step 4: Simplify right side
409.50x = 810,000 - Step 5: Solve for x
x = 810,000/409.50 - Step 6: Final answer
x = 1,978.02
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