Finding the Third Proportional to 7,678.13 and 11,620.13
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Solution
The third proportional to 7,678.13 and 11,620.13 is: 17,585.97
Step by Step Solution
- Step 1: Write the proportion equation
7,678.13 : 11,620.13 = 11,620.13 : x - Step 2: Convert to fraction form
7,678.13/11,620.13 = 11,620.13/x - Step 3: Cross multiply
7,678.13x = 11,620.13 × 11,620.13 - Step 4: Simplify right side
7,678.13x = 135,027,305.02 - Step 5: Solve for x
x = 135,027,305.02/7,678.13 - Step 6: Final answer
x = 17,585.97
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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.