Finding the Third Proportional to 739.13 and 1,103.63
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Solution
The third proportional to 739.13 and 1,103.63 is: 1,647.88
Step by Step Solution
- Step 1: Write the proportion equation
739.13 : 1,103.63 = 1,103.63 : x - Step 2: Convert to fraction form
739.13/1,103.63 = 1,103.63/x - Step 3: Cross multiply
739.13x = 1,103.63 × 1,103.63 - Step 4: Simplify right side
739.13x = 1,217,988.14 - Step 5: Solve for x
x = 1,217,988.14/739.13 - Step 6: Final answer
x = 1,647.88
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.