Finding the Third Proportional to 3,489,885 and 7,382,157.75
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Solution
The third proportional to 3,489,885 and 7,382,157.75 is: 15,615,486.77
Step by Step Solution
- Step 1: Write the proportion equation
3,489,885 : 7,382,157.75 = 7,382,157.75 : x - Step 2: Convert to fraction form
3,489,885/7,382,157.75 = 7,382,157.75/x - Step 3: Cross multiply
3,489,885x = 7,382,157.75 × 7,382,157.75 - Step 4: Simplify right side
3,489,885x = 54,496,253,045,885.06 - Step 5: Solve for x
x = 54,496,253,045,885.06/3,489,885 - Step 6: Final answer
x = 15,615,486.77
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.