Finding the Third Proportional to 138,678.75 and 283,911.75
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Solution
The third proportional to 138,678.75 and 283,911.75 is: 581,241.77
Step by Step Solution
- Step 1: Write the proportion equation
138,678.75 : 283,911.75 = 283,911.75 : x - Step 2: Convert to fraction form
138,678.75/283,911.75 = 283,911.75/x - Step 3: Cross multiply
138,678.75x = 283,911.75 × 283,911.75 - Step 4: Simplify right side
138,678.75x = 80,605,881,788.06 - Step 5: Solve for x
x = 80,605,881,788.06/138,678.75 - Step 6: Final answer
x = 581,241.77
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.