Finding the Third Proportional to 1,905.19 and 2,891.53
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Solution
The third proportional to 1,905.19 and 2,891.53 is: 4,388.52
Step by Step Solution
- Step 1: Write the proportion equation
1,905.19 : 2,891.53 = 2,891.53 : x - Step 2: Convert to fraction form
1,905.19/2,891.53 = 2,891.53/x - Step 3: Cross multiply
1,905.19x = 2,891.53 × 2,891.53 - Step 4: Simplify right side
1,905.19x = 8,360,952.97 - Step 5: Solve for x
x = 8,360,952.97/1,905.19 - Step 6: Final answer
x = 4,388.52
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.