Finding the Third Proportional to 42,934 and 66,342
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Solution
The third proportional to 42,934 and 66,342 is: 102,512.25
Step by Step Solution
- Step 1: Write the proportion equation
42,934 : 66,342 = 66,342 : x - Step 2: Convert to fraction form
42,934/66,342 = 66,342/x - Step 3: Cross multiply
42,934x = 66,342 × 66,342 - Step 4: Simplify right side
42,934x = 4,401,260,964 - Step 5: Solve for x
x = 4,401,260,964/42,934 - Step 6: Final answer
x = 102,512.25
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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.