Finding the Third Proportional to 18,378.75 and 25,881.75
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Solution
The third proportional to 18,378.75 and 25,881.75 is: 36,447.80
Step by Step Solution
- Step 1: Write the proportion equation
18,378.75 : 25,881.75 = 25,881.75 : x - Step 2: Convert to fraction form
18,378.75/25,881.75 = 25,881.75/x - Step 3: Cross multiply
18,378.75x = 25,881.75 × 25,881.75 - Step 4: Simplify right side
18,378.75x = 669,864,983.06 - Step 5: Solve for x
x = 669,864,983.06/18,378.75 - Step 6: Final answer
x = 36,447.80
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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.