Finding the Third Proportional to 71,880.75 and 156,309.75
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Solution
The third proportional to 71,880.75 and 156,309.75 is: 339,906.55
Step by Step Solution
- Step 1: Write the proportion equation
71,880.75 : 156,309.75 = 156,309.75 : x - Step 2: Convert to fraction form
71,880.75/156,309.75 = 156,309.75/x - Step 3: Cross multiply
71,880.75x = 156,309.75 × 156,309.75 - Step 4: Simplify right side
71,880.75x = 24,432,737,945.06 - Step 5: Solve for x
x = 24,432,737,945.06/71,880.75 - Step 6: Final answer
x = 339,906.55
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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.