Finding the Third Proportional to 128,529.75 and 205,248.75
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Solution
The third proportional to 128,529.75 and 205,248.75 is: 327,761.08
Step by Step Solution
- Step 1: Write the proportion equation
128,529.75 : 205,248.75 = 205,248.75 : x - Step 2: Convert to fraction form
128,529.75/205,248.75 = 205,248.75/x - Step 3: Cross multiply
128,529.75x = 205,248.75 × 205,248.75 - Step 4: Simplify right side
128,529.75x = 42,127,049,376.56 - Step 5: Solve for x
x = 42,127,049,376.56/128,529.75 - Step 6: Final answer
x = 327,761.08
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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.