Finding the Third Proportional to 39,424 and 85,480
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Solution
The third proportional to 39,424 and 85,480 is: 185,339.65
Step by Step Solution
- Step 1: Write the proportion equation
39,424 : 85,480 = 85,480 : x - Step 2: Convert to fraction form
39,424/85,480 = 85,480/x - Step 3: Cross multiply
39,424x = 85,480 × 85,480 - Step 4: Simplify right side
39,424x = 7,306,830,400 - Step 5: Solve for x
x = 7,306,830,400/39,424 - Step 6: Final answer
x = 185,339.65
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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.