Finding the Third Proportional to 394,890.19 and 611,167.78
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Solution
The third proportional to 394,890.19 and 611,167.78 is: 945,898.55
Step by Step Solution
- Step 1: Write the proportion equation
394,890.19 : 611,167.78 = 611,167.78 : x - Step 2: Convert to fraction form
394,890.19/611,167.78 = 611,167.78/x - Step 3: Cross multiply
394,890.19x = 611,167.78 × 611,167.78 - Step 4: Simplify right side
394,890.19x = 373,526,056,838.05 - Step 5: Solve for x
x = 373,526,056,838.05/394,890.19 - Step 6: Final answer
x = 945,898.55
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.