Finding the Third Proportional to 412 and 687.50
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Solution
The third proportional to 412 and 687.50 is: 1,147.22
Step by Step Solution
- Step 1: Write the proportion equation
412 : 687.50 = 687.50 : x - Step 2: Convert to fraction form
412/687.50 = 687.50/x - Step 3: Cross multiply
412x = 687.50 × 687.50 - Step 4: Simplify right side
412x = 472,656.25 - Step 5: Solve for x
x = 472,656.25/412 - Step 6: Final answer
x = 1,147.22
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