Finding the Third Proportional to 3,772.88 and 8,921.06
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Solution
The third proportional to 3,772.88 and 8,921.06 is: 21,094.09
Step by Step Solution
- Step 1: Write the proportion equation
3,772.88 : 8,921.06 = 8,921.06 : x - Step 2: Convert to fraction form
3,772.88/8,921.06 = 8,921.06/x - Step 3: Cross multiply
3,772.88x = 8,921.06 × 8,921.06 - Step 4: Simplify right side
3,772.88x = 79,585,356.13 - Step 5: Solve for x
x = 79,585,356.13/3,772.88 - Step 6: Final answer
x = 21,094.09
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Why These Related Problems?
These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.