Finding the Third Proportional to 7,881.19 and 11,881.41
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Solution
The third proportional to 7,881.19 and 11,881.41 is: 17,912.00
Step by Step Solution
- Step 1: Write the proportion equation
7,881.19 : 11,881.41 = 11,881.41 : x - Step 2: Convert to fraction form
7,881.19/11,881.41 = 11,881.41/x - Step 3: Cross multiply
7,881.19x = 11,881.41 × 11,881.41 - Step 4: Simplify right side
7,881.19x = 141,167,814.48 - Step 5: Solve for x
x = 141,167,814.48/7,881.19 - Step 6: Final answer
x = 17,912.00
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.