Finding the Third Proportional to 378,611,517 and 581,593,647
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Solution
The third proportional to 378,611,517 and 581,593,647 is: 893,399,051.65
Step by Step Solution
- Step 1: Write the proportion equation
378,611,517 : 581,593,647 = 581,593,647 : x - Step 2: Convert to fraction form
378,611,517/581,593,647 = 581,593,647/x - Step 3: Cross multiply
378,611,517x = 581,593,647 × 581,593,647 - Step 4: Simplify right side
378,611,517x = 338,251,170,230,760,640 - Step 5: Solve for x
x = 338,251,170,230,760,640/378,611,517 - Step 6: Final answer
x = 893,399,051.65
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.