Finding the Third Proportional to 9,125.75 and 19,614.75
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Solution
The third proportional to 9,125.75 and 19,614.75 is: 42,159.65
Step by Step Solution
- Step 1: Write the proportion equation
9,125.75 : 19,614.75 = 19,614.75 : x - Step 2: Convert to fraction form
9,125.75/19,614.75 = 19,614.75/x - Step 3: Cross multiply
9,125.75x = 19,614.75 × 19,614.75 - Step 4: Simplify right side
9,125.75x = 384,738,417.56 - Step 5: Solve for x
x = 384,738,417.56/9,125.75 - Step 6: Final answer
x = 42,159.65
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.