Finding the Third Proportional to 270,508.36 and 422,139.09
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Solution
The third proportional to 270,508.36 and 422,139.09 is: 658,764.91
Step by Step Solution
- Step 1: Write the proportion equation
270,508.36 : 422,139.09 = 422,139.09 : x - Step 2: Convert to fraction form
270,508.36/422,139.09 = 422,139.09/x - Step 3: Cross multiply
270,508.36x = 422,139.09 × 422,139.09 - Step 4: Simplify right side
270,508.36x = 178,201,414,472.07 - Step 5: Solve for x
x = 178,201,414,472.07/270,508.36 - Step 6: Final answer
x = 658,764.91
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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.