Finding the Third Proportional to 71,439.19 and 153,630.94
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Solution
The third proportional to 71,439.19 and 153,630.94 is: 330,385.41
Step by Step Solution
- Step 1: Write the proportion equation
71,439.19 : 153,630.94 = 153,630.94 : x - Step 2: Convert to fraction form
71,439.19/153,630.94 = 153,630.94/x - Step 3: Cross multiply
71,439.19x = 153,630.94 × 153,630.94 - Step 4: Simplify right side
71,439.19x = 23,602,464,957.13 - Step 5: Solve for x
x = 23,602,464,957.13/71,439.19 - Step 6: Final answer
x = 330,385.41
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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.