Finding the Third Proportional to 398,190 and 616,545
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Solution
The third proportional to 398,190 and 616,545 is: 954,639.08
Step by Step Solution
- Step 1: Write the proportion equation
398,190 : 616,545 = 616,545 : x - Step 2: Convert to fraction form
398,190/616,545 = 616,545/x - Step 3: Cross multiply
398,190x = 616,545 × 616,545 - Step 4: Simplify right side
398,190x = 380,127,737,025 - Step 5: Solve for x
x = 380,127,737,025/398,190 - Step 6: Final answer
x = 954,639.08
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.