Finding the Third Proportional to 80,021 and 174,442
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Solution
The third proportional to 80,021 and 174,442 is: 380,275.32
Step by Step Solution
- Step 1: Write the proportion equation
80,021 : 174,442 = 174,442 : x - Step 2: Convert to fraction form
80,021/174,442 = 174,442/x - Step 3: Cross multiply
80,021x = 174,442 × 174,442 - Step 4: Simplify right side
80,021x = 30,430,011,364 - Step 5: Solve for x
x = 30,430,011,364/80,021 - Step 6: Final answer
x = 380,275.32
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.