Finding the Third Proportional to 39,940 and 76,772
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Solution
The third proportional to 39,940 and 76,772 is: 147,569.85
Step by Step Solution
- Step 1: Write the proportion equation
39,940 : 76,772 = 76,772 : x - Step 2: Convert to fraction form
39,940/76,772 = 76,772/x - Step 3: Cross multiply
39,940x = 76,772 × 76,772 - Step 4: Simplify right side
39,940x = 5,893,939,984 - Step 5: Solve for x
x = 5,893,939,984/39,940 - Step 6: Final answer
x = 147,569.85
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These problems maintain the same ratio (1.92) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.