Finding the Third Proportional to 71,940.75 and 106,515.75
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Solution
The third proportional to 71,940.75 and 106,515.75 is: 157,707.63
Step by Step Solution
- Step 1: Write the proportion equation
71,940.75 : 106,515.75 = 106,515.75 : x - Step 2: Convert to fraction form
71,940.75/106,515.75 = 106,515.75/x - Step 3: Cross multiply
71,940.75x = 106,515.75 × 106,515.75 - Step 4: Simplify right side
71,940.75x = 11,345,604,998.06 - Step 5: Solve for x
x = 11,345,604,998.06/71,940.75 - Step 6: Final answer
x = 157,707.63
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These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.