Finding the Third Proportional to 128,859.75 and 193,533.75
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Solution
The third proportional to 128,859.75 and 193,533.75 is: 290,667.27
Step by Step Solution
- Step 1: Write the proportion equation
128,859.75 : 193,533.75 = 193,533.75 : x - Step 2: Convert to fraction form
128,859.75/193,533.75 = 193,533.75/x - Step 3: Cross multiply
128,859.75x = 193,533.75 × 193,533.75 - Step 4: Simplify right side
128,859.75x = 37,455,312,389.06 - Step 5: Solve for x
x = 37,455,312,389.06/128,859.75 - Step 6: Final answer
x = 290,667.27
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.