Finding the Third Proportional to 274,102.50 and 421,855.50
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Solution
The third proportional to 274,102.50 and 421,855.50 is: 649,253.70
Step by Step Solution
- Step 1: Write the proportion equation
274,102.50 : 421,855.50 = 421,855.50 : x - Step 2: Convert to fraction form
274,102.50/421,855.50 = 421,855.50/x - Step 3: Cross multiply
274,102.50x = 421,855.50 × 421,855.50 - Step 4: Simplify right side
274,102.50x = 177,962,062,880.25 - Step 5: Solve for x
x = 177,962,062,880.25/274,102.50 - Step 6: Final answer
x = 649,253.70
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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.