Finding the Third Proportional to 129,057.75 and 277,890.75
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Solution
The third proportional to 129,057.75 and 277,890.75 is: 598,362.12
Step by Step Solution
- Step 1: Write the proportion equation
129,057.75 : 277,890.75 = 277,890.75 : x - Step 2: Convert to fraction form
129,057.75/277,890.75 = 277,890.75/x - Step 3: Cross multiply
129,057.75x = 277,890.75 × 277,890.75 - Step 4: Simplify right side
129,057.75x = 77,223,268,935.56 - Step 5: Solve for x
x = 77,223,268,935.56/129,057.75 - Step 6: Final answer
x = 598,362.12
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.