Finding the Third Proportional to 287,772.75 and 451,428.19
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Solution
The third proportional to 287,772.75 and 451,428.19 is: 708,153.95
Step by Step Solution
- Step 1: Write the proportion equation
287,772.75 : 451,428.19 = 451,428.19 : x - Step 2: Convert to fraction form
287,772.75/451,428.19 = 451,428.19/x - Step 3: Cross multiply
287,772.75x = 451,428.19 × 451,428.19 - Step 4: Simplify right side
287,772.75x = 203,787,408,469.54 - Step 5: Solve for x
x = 203,787,408,469.54/287,772.75 - Step 6: Final answer
x = 708,153.95
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.