Finding the Third Proportional to 42,942 and 66,042
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Solution
The third proportional to 42,942 and 66,042 is: 101,568.30
Step by Step Solution
- Step 1: Write the proportion equation
42,942 : 66,042 = 66,042 : x - Step 2: Convert to fraction form
42,942/66,042 = 66,042/x - Step 3: Cross multiply
42,942x = 66,042 × 66,042 - Step 4: Simplify right side
42,942x = 4,361,545,764 - Step 5: Solve for x
x = 4,361,545,764/42,942 - Step 6: Final answer
x = 101,568.30
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.