Finding the Third Proportional to 18,640.13 and 27,590.63
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Solution
The third proportional to 18,640.13 and 27,590.63 is: 40,838.92
Step by Step Solution
- Step 1: Write the proportion equation
18,640.13 : 27,590.63 = 27,590.63 : x - Step 2: Convert to fraction form
18,640.13/27,590.63 = 27,590.63/x - Step 3: Cross multiply
18,640.13x = 27,590.63 × 27,590.63 - Step 4: Simplify right side
18,640.13x = 761,242,587.89 - Step 5: Solve for x
x = 761,242,587.89/18,640.13 - Step 6: Final answer
x = 40,838.92
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Why These Related Problems?
These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.