Finding the Third Proportional to 121,348.31 and 189,944.44
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Solution
The third proportional to 121,348.31 and 189,944.44 is: 297,316.78
Step by Step Solution
- Step 1: Write the proportion equation
121,348.31 : 189,944.44 = 189,944.44 : x - Step 2: Convert to fraction form
121,348.31/189,944.44 = 189,944.44/x - Step 3: Cross multiply
121,348.31x = 189,944.44 × 189,944.44 - Step 4: Simplify right side
121,348.31x = 36,078,889,337.19 - Step 5: Solve for x
x = 36,078,889,337.19/121,348.31 - Step 6: Final answer
x = 297,316.78
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.