Finding the Third Proportional to 1,251.19 and 1,962.75
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Solution
The third proportional to 1,251.19 and 1,962.75 is: 3,078.99
Step by Step Solution
- Step 1: Write the proportion equation
1,251.19 : 1,962.75 = 1,962.75 : x - Step 2: Convert to fraction form
1,251.19/1,962.75 = 1,962.75/x - Step 3: Cross multiply
1,251.19x = 1,962.75 × 1,962.75 - Step 4: Simplify right side
1,251.19x = 3,852,387.56 - Step 5: Solve for x
x = 3,852,387.56/1,251.19 - Step 6: Final answer
x = 3,078.99
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.