Finding the Third Proportional to 393,909.75 and 573,639.75
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Solution
The third proportional to 393,909.75 and 573,639.75 is: 835,375.52
Step by Step Solution
- Step 1: Write the proportion equation
393,909.75 : 573,639.75 = 573,639.75 : x - Step 2: Convert to fraction form
393,909.75/573,639.75 = 573,639.75/x - Step 3: Cross multiply
393,909.75x = 573,639.75 × 573,639.75 - Step 4: Simplify right side
393,909.75x = 329,062,562,780.06 - Step 5: Solve for x
x = 329,062,562,780.06/393,909.75 - Step 6: Final answer
x = 835,375.52
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.