Finding the Third Proportional to 129,246.75 and 198,609.75
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Solution
The third proportional to 129,246.75 and 198,609.75 is: 305,197.87
Step by Step Solution
- Step 1: Write the proportion equation
129,246.75 : 198,609.75 = 198,609.75 : x - Step 2: Convert to fraction form
129,246.75/198,609.75 = 198,609.75/x - Step 3: Cross multiply
129,246.75x = 198,609.75 × 198,609.75 - Step 4: Simplify right side
129,246.75x = 39,445,832,795.06 - Step 5: Solve for x
x = 39,445,832,795.06/129,246.75 - Step 6: Final answer
x = 305,197.87
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.