Finding the Third Proportional to 379,230.19 and 812,431.69
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Solution
The third proportional to 379,230.19 and 812,431.69 is: 1,740,487.09
Step by Step Solution
- Step 1: Write the proportion equation
379,230.19 : 812,431.69 = 812,431.69 : x - Step 2: Convert to fraction form
379,230.19/812,431.69 = 812,431.69/x - Step 3: Cross multiply
379,230.19x = 812,431.69 × 812,431.69 - Step 4: Simplify right side
379,230.19x = 660,045,246,854.10 - Step 5: Solve for x
x = 660,045,246,854.10/379,230.19 - Step 6: Final answer
x = 1,740,487.09
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.