Finding the Third Proportional to 451.88 and 978
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Solution
The third proportional to 451.88 and 978 is: 2,116.70
Step by Step Solution
- Step 1: Write the proportion equation
451.88 : 978 = 978 : x - Step 2: Convert to fraction form
451.88/978 = 978/x - Step 3: Cross multiply
451.88x = 978 × 978 - Step 4: Simplify right side
451.88x = 956,484 - Step 5: Solve for x
x = 956,484/451.88 - Step 6: Final answer
x = 2,116.70
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