Finding the Third Proportional to 396,639.75 and 578,344.50
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Solution
The third proportional to 396,639.75 and 578,344.50 is: 843,290.07
Step by Step Solution
- Step 1: Write the proportion equation
396,639.75 : 578,344.50 = 578,344.50 : x - Step 2: Convert to fraction form
396,639.75/578,344.50 = 578,344.50/x - Step 3: Cross multiply
396,639.75x = 578,344.50 × 578,344.50 - Step 4: Simplify right side
396,639.75x = 334,482,360,680.25 - Step 5: Solve for x
x = 334,482,360,680.25/396,639.75 - Step 6: Final answer
x = 843,290.07
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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.