Finding the Third Proportional to 109,504 and 143,784
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Solution
The third proportional to 109,504 and 143,784 is: 188,795.28
Step by Step Solution
- Step 1: Write the proportion equation
109,504 : 143,784 = 143,784 : x - Step 2: Convert to fraction form
109,504/143,784 = 143,784/x - Step 3: Cross multiply
109,504x = 143,784 × 143,784 - Step 4: Simplify right side
109,504x = 20,673,838,656 - Step 5: Solve for x
x = 20,673,838,656/109,504 - Step 6: Final answer
x = 188,795.28
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Why These Related Problems?
These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.