Finding the Third Proportional to 421,732 and 892,368
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Solution
The third proportional to 421,732 and 892,368 is: 1,888,214.90
Step by Step Solution
- Step 1: Write the proportion equation
421,732 : 892,368 = 892,368 : x - Step 2: Convert to fraction form
421,732/892,368 = 892,368/x - Step 3: Cross multiply
421,732x = 892,368 × 892,368 - Step 4: Simplify right side
421,732x = 796,320,647,424 - Step 5: Solve for x
x = 796,320,647,424/421,732 - Step 6: Final answer
x = 1,888,214.90
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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.