Finding the Third Proportional to 128,580.75 and 203,769.84
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Solution
The third proportional to 128,580.75 and 203,769.84 is: 322,926.64
Step by Step Solution
- Step 1: Write the proportion equation
128,580.75 : 203,769.84 = 203,769.84 : x - Step 2: Convert to fraction form
128,580.75/203,769.84 = 203,769.84/x - Step 3: Cross multiply
128,580.75x = 203,769.84 × 203,769.84 - Step 4: Simplify right side
128,580.75x = 41,522,149,221.90 - Step 5: Solve for x
x = 41,522,149,221.90/128,580.75 - Step 6: Final answer
x = 322,926.64
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These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.