Finding the Third Proportional to 6,490.13 and 11,631.09
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Solution
The third proportional to 6,490.13 and 11,631.09 is: 20,844.34
Step by Step Solution
- Step 1: Write the proportion equation
6,490.13 : 11,631.09 = 11,631.09 : x - Step 2: Convert to fraction form
6,490.13/11,631.09 = 11,631.09/x - Step 3: Cross multiply
6,490.13x = 11,631.09 × 11,631.09 - Step 4: Simplify right side
6,490.13x = 135,282,341.82 - Step 5: Solve for x
x = 135,282,341.82/6,490.13 - Step 6: Final answer
x = 20,844.34
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Why These Related Problems?
These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.