Finding the Third Proportional to 129,376 and 205,728
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Solution
The third proportional to 129,376 and 205,728 is: 327,139.58
Step by Step Solution
- Step 1: Write the proportion equation
129,376 : 205,728 = 205,728 : x - Step 2: Convert to fraction form
129,376/205,728 = 205,728/x - Step 3: Cross multiply
129,376x = 205,728 × 205,728 - Step 4: Simplify right side
129,376x = 42,324,009,984 - Step 5: Solve for x
x = 42,324,009,984/129,376 - Step 6: Final answer
x = 327,139.58
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.