Finding the Third Proportional to 19,691 and 42,662
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Solution
The third proportional to 19,691 and 42,662 is: 92,430.36
Step by Step Solution
- Step 1: Write the proportion equation
19,691 : 42,662 = 42,662 : x - Step 2: Convert to fraction form
19,691/42,662 = 42,662/x - Step 3: Cross multiply
19,691x = 42,662 × 42,662 - Step 4: Simplify right side
19,691x = 1,820,046,244 - Step 5: Solve for x
x = 1,820,046,244/19,691 - Step 6: Final answer
x = 92,430.36
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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.