Finding the Third Proportional to 19,904 and 30,080
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Solution
The third proportional to 19,904 and 30,080 is: 45,458.52
Step by Step Solution
- Step 1: Write the proportion equation
19,904 : 30,080 = 30,080 : x - Step 2: Convert to fraction form
19,904/30,080 = 30,080/x - Step 3: Cross multiply
19,904x = 30,080 × 30,080 - Step 4: Simplify right side
19,904x = 904,806,400 - Step 5: Solve for x
x = 904,806,400/19,904 - Step 6: Final answer
x = 45,458.52
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.