Finding the Third Proportional to 340,428.75 and 512,112.75
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Solution
The third proportional to 340,428.75 and 512,112.75 is: 770,379.91
Step by Step Solution
- Step 1: Write the proportion equation
340,428.75 : 512,112.75 = 512,112.75 : x - Step 2: Convert to fraction form
340,428.75/512,112.75 = 512,112.75/x - Step 3: Cross multiply
340,428.75x = 512,112.75 × 512,112.75 - Step 4: Simplify right side
340,428.75x = 262,259,468,712.56 - Step 5: Solve for x
x = 262,259,468,712.56/340,428.75 - Step 6: Final answer
x = 770,379.91
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.