Finding the Third Proportional to 393,711.75 and 812,265.75
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Solution
The third proportional to 393,711.75 and 812,265.75 is: 1,675,783.49
Step by Step Solution
- Step 1: Write the proportion equation
393,711.75 : 812,265.75 = 812,265.75 : x - Step 2: Convert to fraction form
393,711.75/812,265.75 = 812,265.75/x - Step 3: Cross multiply
393,711.75x = 812,265.75 × 812,265.75 - Step 4: Simplify right side
393,711.75x = 659,775,648,623.06 - Step 5: Solve for x
x = 659,775,648,623.06/393,711.75 - Step 6: Final answer
x = 1,675,783.49
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Why These Related Problems?
These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.