Finding the Third Proportional to 3,646.13 and 8,107.88
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Solution
The third proportional to 3,646.13 and 8,107.88 is: 18,029.45
Step by Step Solution
- Step 1: Write the proportion equation
3,646.13 : 8,107.88 = 8,107.88 : x - Step 2: Convert to fraction form
3,646.13/8,107.88 = 8,107.88/x - Step 3: Cross multiply
3,646.13x = 8,107.88 × 8,107.88 - Step 4: Simplify right side
3,646.13x = 65,737,637.02 - Step 5: Solve for x
x = 65,737,637.02/3,646.13 - Step 6: Final answer
x = 18,029.45
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.