Finding the Third Proportional to 129,900.75 and 206,857.50
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Solution
The third proportional to 129,900.75 and 206,857.50 is: 329,405.53
Step by Step Solution
- Step 1: Write the proportion equation
129,900.75 : 206,857.50 = 206,857.50 : x - Step 2: Convert to fraction form
129,900.75/206,857.50 = 206,857.50/x - Step 3: Cross multiply
129,900.75x = 206,857.50 × 206,857.50 - Step 4: Simplify right side
129,900.75x = 42,790,025,306.25 - Step 5: Solve for x
x = 42,790,025,306.25/129,900.75 - Step 6: Final answer
x = 329,405.53
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These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.