Finding the Third Proportional to 121,353.75 and 189,951.75
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Solution
The third proportional to 121,353.75 and 189,951.75 is: 297,326.35
Step by Step Solution
- Step 1: Write the proportion equation
121,353.75 : 189,951.75 = 189,951.75 : x - Step 2: Convert to fraction form
121,353.75/189,951.75 = 189,951.75/x - Step 3: Cross multiply
121,353.75x = 189,951.75 × 189,951.75 - Step 4: Simplify right side
121,353.75x = 36,081,667,328.06 - Step 5: Solve for x
x = 36,081,667,328.06/121,353.75 - Step 6: Final answer
x = 297,326.35
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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.