Finding the Third Proportional to 19,850 and 30,708
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Solution
The third proportional to 19,850 and 30,708 is: 47,505.35
Step by Step Solution
- Step 1: Write the proportion equation
19,850 : 30,708 = 30,708 : x - Step 2: Convert to fraction form
19,850/30,708 = 30,708/x - Step 3: Cross multiply
19,850x = 30,708 × 30,708 - Step 4: Simplify right side
19,850x = 942,981,264 - Step 5: Solve for x
x = 942,981,264/19,850 - Step 6: Final answer
x = 47,505.35
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.