Finding the Third Proportional to 81,728 and 124,969
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Solution
The third proportional to 81,728 and 124,969 is: 191,088.13
Step by Step Solution
- Step 1: Write the proportion equation
81,728 : 124,969 = 124,969 : x - Step 2: Convert to fraction form
81,728/124,969 = 124,969/x - Step 3: Cross multiply
81,728x = 124,969 × 124,969 - Step 4: Simplify right side
81,728x = 15,617,250,961 - Step 5: Solve for x
x = 15,617,250,961/81,728 - Step 6: Final answer
x = 191,088.13
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.