Finding the Third Proportional to 11,121.75 and 19,509.75
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Solution
The third proportional to 11,121.75 and 19,509.75 is: 34,223.96
Step by Step Solution
- Step 1: Write the proportion equation
11,121.75 : 19,509.75 = 19,509.75 : x - Step 2: Convert to fraction form
11,121.75/19,509.75 = 19,509.75/x - Step 3: Cross multiply
11,121.75x = 19,509.75 × 19,509.75 - Step 4: Simplify right side
11,121.75x = 380,630,345.06 - Step 5: Solve for x
x = 380,630,345.06/11,121.75 - Step 6: Final answer
x = 34,223.96
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Why These Related Problems?
These problems maintain the same ratio (1.75) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.