Finding the Third Proportional to 91,428.75 and 122,289.75
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Solution
The third proportional to 91,428.75 and 122,289.75 is: 163,567.62
Step by Step Solution
- Step 1: Write the proportion equation
91,428.75 : 122,289.75 = 122,289.75 : x - Step 2: Convert to fraction form
91,428.75/122,289.75 = 122,289.75/x - Step 3: Cross multiply
91,428.75x = 122,289.75 × 122,289.75 - Step 4: Simplify right side
91,428.75x = 14,954,782,955.06 - Step 5: Solve for x
x = 14,954,782,955.06/91,428.75 - Step 6: Final answer
x = 163,567.62
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These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.