Finding the Third Proportional to 138,980.25 and 289,716.75
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Solution
The third proportional to 138,980.25 and 289,716.75 is: 603,940.45
Step by Step Solution
- Step 1: Write the proportion equation
138,980.25 : 289,716.75 = 289,716.75 : x - Step 2: Convert to fraction form
138,980.25/289,716.75 = 289,716.75/x - Step 3: Cross multiply
138,980.25x = 289,716.75 × 289,716.75 - Step 4: Simplify right side
138,980.25x = 83,935,795,230.56 - Step 5: Solve for x
x = 83,935,795,230.56/138,980.25 - Step 6: Final answer
x = 603,940.45
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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.