Finding the Third Proportional to 138,415.13 and 301,842.75
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Solution
The third proportional to 138,415.13 and 301,842.75 is: 658,230.42
Step by Step Solution
- Step 1: Write the proportion equation
138,415.13 : 301,842.75 = 301,842.75 : x - Step 2: Convert to fraction form
138,415.13/301,842.75 = 301,842.75/x - Step 3: Cross multiply
138,415.13x = 301,842.75 × 301,842.75 - Step 4: Simplify right side
138,415.13x = 91,109,045,727.56 - Step 5: Solve for x
x = 91,109,045,727.56/138,415.13 - Step 6: Final answer
x = 658,230.42
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.