Finding the Third Proportional to 385,474 and 911,200
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Solution
The third proportional to 385,474 and 911,200 is: 2,153,933.70
Step by Step Solution
- Step 1: Write the proportion equation
385,474 : 911,200 = 911,200 : x - Step 2: Convert to fraction form
385,474/911,200 = 911,200/x - Step 3: Cross multiply
385,474x = 911,200 × 911,200 - Step 4: Simplify right side
385,474x = 830,285,440,000 - Step 5: Solve for x
x = 830,285,440,000/385,474 - Step 6: Final answer
x = 2,153,933.70
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.