Finding the Third Proportional to 7,122.94 and 15,643.13
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Solution
The third proportional to 7,122.94 and 15,643.13 is: 34,354.84
Step by Step Solution
- Step 1: Write the proportion equation
7,122.94 : 15,643.13 = 15,643.13 : x - Step 2: Convert to fraction form
7,122.94/15,643.13 = 15,643.13/x - Step 3: Cross multiply
7,122.94x = 15,643.13 × 15,643.13 - Step 4: Simplify right side
7,122.94x = 244,707,359.77 - Step 5: Solve for x
x = 244,707,359.77/7,122.94 - Step 6: Final answer
x = 34,354.84
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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.