Finding the Third Proportional to 77,440 and 113,891
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Solution
The third proportional to 77,440 and 113,891 is: 167,499.48
Step by Step Solution
- Step 1: Write the proportion equation
77,440 : 113,891 = 113,891 : x - Step 2: Convert to fraction form
77,440/113,891 = 113,891/x - Step 3: Cross multiply
77,440x = 113,891 × 113,891 - Step 4: Simplify right side
77,440x = 12,971,159,881 - Step 5: Solve for x
x = 12,971,159,881/77,440 - Step 6: Final answer
x = 167,499.48
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.