Finding the Third Proportional to 191,688.75 and 290,219.63
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Solution
The third proportional to 191,688.75 and 290,219.63 is: 439,396.84
Step by Step Solution
- Step 1: Write the proportion equation
191,688.75 : 290,219.63 = 290,219.63 : x - Step 2: Convert to fraction form
191,688.75/290,219.63 = 290,219.63/x - Step 3: Cross multiply
191,688.75x = 290,219.63 × 290,219.63 - Step 4: Simplify right side
191,688.75x = 84,227,430,735.14 - Step 5: Solve for x
x = 84,227,430,735.14/191,688.75 - Step 6: Final answer
x = 439,396.84
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.