Finding the Third Proportional to 78,549.75 and 145,617.75
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Solution
The third proportional to 78,549.75 and 145,617.75 is: 269,950.31
Step by Step Solution
- Step 1: Write the proportion equation
78,549.75 : 145,617.75 = 145,617.75 : x - Step 2: Convert to fraction form
78,549.75/145,617.75 = 145,617.75/x - Step 3: Cross multiply
78,549.75x = 145,617.75 × 145,617.75 - Step 4: Simplify right side
78,549.75x = 21,204,529,115.06 - Step 5: Solve for x
x = 21,204,529,115.06/78,549.75 - Step 6: Final answer
x = 269,950.31
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These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.