Finding the Third Proportional to 39,090 and 85,467
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Solution
The third proportional to 39,090 and 85,467 is: 186,866.41
Step by Step Solution
- Step 1: Write the proportion equation
39,090 : 85,467 = 85,467 : x - Step 2: Convert to fraction form
39,090/85,467 = 85,467/x - Step 3: Cross multiply
39,090x = 85,467 × 85,467 - Step 4: Simplify right side
39,090x = 7,304,608,089 - Step 5: Solve for x
x = 7,304,608,089/39,090 - Step 6: Final answer
x = 186,866.41
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.