Finding the Third Proportional to 42,969 and 66,398
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Solution
The third proportional to 42,969 and 66,398 is: 102,601.75
Step by Step Solution
- Step 1: Write the proportion equation
42,969 : 66,398 = 66,398 : x - Step 2: Convert to fraction form
42,969/66,398 = 66,398/x - Step 3: Cross multiply
42,969x = 66,398 × 66,398 - Step 4: Simplify right side
42,969x = 4,408,694,404 - Step 5: Solve for x
x = 4,408,694,404/42,969 - Step 6: Final answer
x = 102,601.75
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.