Finding the Third Proportional to 129,228.75 and 279,213.75
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Solution
The third proportional to 129,228.75 and 279,213.75 is: 603,273.79
Step by Step Solution
- Step 1: Write the proportion equation
129,228.75 : 279,213.75 = 279,213.75 : x - Step 2: Convert to fraction form
129,228.75/279,213.75 = 279,213.75/x - Step 3: Cross multiply
129,228.75x = 279,213.75 × 279,213.75 - Step 4: Simplify right side
129,228.75x = 77,960,318,189.06 - Step 5: Solve for x
x = 77,960,318,189.06/129,228.75 - Step 6: Final answer
x = 603,273.79
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.