Finding the Third Proportional to 128,424.50 and 170,405.75
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Solution
The third proportional to 128,424.50 and 170,405.75 is: 226,110.44
Step by Step Solution
- Step 1: Write the proportion equation
128,424.50 : 170,405.75 = 170,405.75 : x - Step 2: Convert to fraction form
128,424.50/170,405.75 = 170,405.75/x - Step 3: Cross multiply
128,424.50x = 170,405.75 × 170,405.75 - Step 4: Simplify right side
128,424.50x = 29,038,119,633.06 - Step 5: Solve for x
x = 29,038,119,633.06/128,424.50 - Step 6: Final answer
x = 226,110.44
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These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.