Finding the Third Proportional to 1,107.13 and 1,639.31
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Solution
The third proportional to 1,107.13 and 1,639.31 is: 2,427.32
Step by Step Solution
- Step 1: Write the proportion equation
1,107.13 : 1,639.31 = 1,639.31 : x - Step 2: Convert to fraction form
1,107.13/1,639.31 = 1,639.31/x - Step 3: Cross multiply
1,107.13x = 1,639.31 × 1,639.31 - Step 4: Simplify right side
1,107.13x = 2,687,345.47 - Step 5: Solve for x
x = 2,687,345.47/1,107.13 - Step 6: Final answer
x = 2,427.32
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These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.