Finding the Third Proportional to 2,772.84 and 4,188.09
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Solution
The third proportional to 2,772.84 and 4,188.09 is: 6,325.68
Step by Step Solution
- Step 1: Write the proportion equation
2,772.84 : 4,188.09 = 4,188.09 : x - Step 2: Convert to fraction form
2,772.84/4,188.09 = 4,188.09/x - Step 3: Cross multiply
2,772.84x = 4,188.09 × 4,188.09 - Step 4: Simplify right side
2,772.84x = 17,540,129.26 - Step 5: Solve for x
x = 17,540,129.26/2,772.84 - Step 6: Final answer
x = 6,325.68
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.