Finding the Third Proportional to 15,369.75 and 16,989.75
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Solution
The third proportional to 15,369.75 and 16,989.75 is: 18,780.50
Step by Step Solution
- Step 1: Write the proportion equation
15,369.75 : 16,989.75 = 16,989.75 : x - Step 2: Convert to fraction form
15,369.75/16,989.75 = 16,989.75/x - Step 3: Cross multiply
15,369.75x = 16,989.75 × 16,989.75 - Step 4: Simplify right side
15,369.75x = 288,651,605.06 - Step 5: Solve for x
x = 288,651,605.06/15,369.75 - Step 6: Final answer
x = 18,780.50
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