Finding the Third Proportional to 19,980 and 31,074
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Solution
The third proportional to 19,980 and 31,074 is: 48,328.00
Step by Step Solution
- Step 1: Write the proportion equation
19,980 : 31,074 = 31,074 : x - Step 2: Convert to fraction form
19,980/31,074 = 31,074/x - Step 3: Cross multiply
19,980x = 31,074 × 31,074 - Step 4: Simplify right side
19,980x = 965,593,476 - Step 5: Solve for x
x = 965,593,476/19,980 - Step 6: Final answer
x = 48,328.00
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Why These Related Problems?
These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.