Finding the Third Proportional to 3,128.06 and 4,649.06
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Solution
The third proportional to 3,128.06 and 4,649.06 is: 6,909.64
Step by Step Solution
- Step 1: Write the proportion equation
3,128.06 : 4,649.06 = 4,649.06 : x - Step 2: Convert to fraction form
3,128.06/4,649.06 = 4,649.06/x - Step 3: Cross multiply
3,128.06x = 4,649.06 × 4,649.06 - Step 4: Simplify right side
3,128.06x = 21,613,782.13 - Step 5: Solve for x
x = 21,613,782.13/3,128.06 - Step 6: Final answer
x = 6,909.64
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.