Finding the Third Proportional to 1,887.19 and 4,138.97
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Solution
The third proportional to 1,887.19 and 4,138.97 is: 9,077.56
Step by Step Solution
- Step 1: Write the proportion equation
1,887.19 : 4,138.97 = 4,138.97 : x - Step 2: Convert to fraction form
1,887.19/4,138.97 = 4,138.97/x - Step 3: Cross multiply
1,887.19x = 4,138.97 × 4,138.97 - Step 4: Simplify right side
1,887.19x = 17,131,062.31 - Step 5: Solve for x
x = 17,131,062.31/1,887.19 - Step 6: Final answer
x = 9,077.56
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.