Finding the Third Proportional to 138,639.38 and 283,848.19
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Solution
The third proportional to 138,639.38 and 283,848.19 is: 581,146.54
Step by Step Solution
- Step 1: Write the proportion equation
138,639.38 : 283,848.19 = 283,848.19 : x - Step 2: Convert to fraction form
138,639.38/283,848.19 = 283,848.19/x - Step 3: Cross multiply
138,639.38x = 283,848.19 × 283,848.19 - Step 4: Simplify right side
138,639.38x = 80,569,793,547.04 - Step 5: Solve for x
x = 80,569,793,547.04/138,639.38 - Step 6: Final answer
x = 581,146.54
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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.