Finding the Third Proportional to 19,980 and 43,445.25
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Solution
The third proportional to 19,980 and 43,445.25 is: 94,468.96
Step by Step Solution
- Step 1: Write the proportion equation
19,980 : 43,445.25 = 43,445.25 : x - Step 2: Convert to fraction form
19,980/43,445.25 = 43,445.25/x - Step 3: Cross multiply
19,980x = 43,445.25 × 43,445.25 - Step 4: Simplify right side
19,980x = 1,887,489,747.56 - Step 5: Solve for x
x = 1,887,489,747.56/19,980 - Step 6: Final answer
x = 94,468.96
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.