Finding the Third Proportional to 7,011.75 and 14,931.75
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Solution
The third proportional to 7,011.75 and 14,931.75 is: 31,797.65
Step by Step Solution
- Step 1: Write the proportion equation
7,011.75 : 14,931.75 = 14,931.75 : x - Step 2: Convert to fraction form
7,011.75/14,931.75 = 14,931.75/x - Step 3: Cross multiply
7,011.75x = 14,931.75 × 14,931.75 - Step 4: Simplify right side
7,011.75x = 222,957,158.06 - Step 5: Solve for x
x = 222,957,158.06/7,011.75 - Step 6: Final answer
x = 31,797.65
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.