Finding the Third Proportional to 138,678.19 and 295,228.69
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Solution
The third proportional to 138,678.19 and 295,228.69 is: 628,505.32
Step by Step Solution
- Step 1: Write the proportion equation
138,678.19 : 295,228.69 = 295,228.69 : x - Step 2: Convert to fraction form
138,678.19/295,228.69 = 295,228.69/x - Step 3: Cross multiply
138,678.19x = 295,228.69 × 295,228.69 - Step 4: Simplify right side
138,678.19x = 87,159,977,922.97 - Step 5: Solve for x
x = 87,159,977,922.97/138,678.19 - Step 6: Final answer
x = 628,505.32
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.