Finding the Third Proportional to 121,712.63 and 189,114.75
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Solution
The third proportional to 121,712.63 and 189,114.75 is: 293,842.88
Step by Step Solution
- Step 1: Write the proportion equation
121,712.63 : 189,114.75 = 189,114.75 : x - Step 2: Convert to fraction form
121,712.63/189,114.75 = 189,114.75/x - Step 3: Cross multiply
121,712.63x = 189,114.75 × 189,114.75 - Step 4: Simplify right side
121,712.63x = 35,764,388,667.56 - Step 5: Solve for x
x = 35,764,388,667.56/121,712.63 - Step 6: Final answer
x = 293,842.88
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.