Finding the Third Proportional to 19,700 and 43,228
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Solution
The third proportional to 19,700 and 43,228 is: 94,855.84
Step by Step Solution
- Step 1: Write the proportion equation
19,700 : 43,228 = 43,228 : x - Step 2: Convert to fraction form
19,700/43,228 = 43,228/x - Step 3: Cross multiply
19,700x = 43,228 × 43,228 - Step 4: Simplify right side
19,700x = 1,868,659,984 - Step 5: Solve for x
x = 1,868,659,984/19,700 - Step 6: Final answer
x = 94,855.84
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.