Finding the Third Proportional to 8,612.50 and 18,243.50
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Solution
The third proportional to 8,612.50 and 18,243.50 is: 38,644.45
Step by Step Solution
- Step 1: Write the proportion equation
8,612.50 : 18,243.50 = 18,243.50 : x - Step 2: Convert to fraction form
8,612.50/18,243.50 = 18,243.50/x - Step 3: Cross multiply
8,612.50x = 18,243.50 × 18,243.50 - Step 4: Simplify right side
8,612.50x = 332,825,292.25 - Step 5: Solve for x
x = 332,825,292.25/8,612.50 - Step 6: Final answer
x = 38,644.45
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.