Finding the Third Proportional to 312,511.71 and 681,812.02
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Solution
The third proportional to 312,511.71 and 681,812.02 is: 1,487,520.65
Step by Step Solution
- Step 1: Write the proportion equation
312,511.71 : 681,812.02 = 681,812.02 : x - Step 2: Convert to fraction form
312,511.71/681,812.02 = 681,812.02/x - Step 3: Cross multiply
312,511.71x = 681,812.02 × 681,812.02 - Step 4: Simplify right side
312,511.71x = 464,867,624,650.63 - Step 5: Solve for x
x = 464,867,624,650.63/312,511.71 - Step 6: Final answer
x = 1,487,520.65
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.