Finding the Third Proportional to 129,579.75 and 199,902.94
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Solution
The third proportional to 129,579.75 and 199,902.94 is: 308,390.66
Step by Step Solution
- Step 1: Write the proportion equation
129,579.75 : 199,902.94 = 199,902.94 : x - Step 2: Convert to fraction form
129,579.75/199,902.94 = 199,902.94/x - Step 3: Cross multiply
129,579.75x = 199,902.94 × 199,902.94 - Step 4: Simplify right side
129,579.75x = 39,961,184,421.13 - Step 5: Solve for x
x = 39,961,184,421.13/129,579.75 - Step 6: Final answer
x = 308,390.66
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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.