Finding the Third Proportional to 394,220.25 and 864,742.50
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Solution
The third proportional to 394,220.25 and 864,742.50 is: 1,896,857.38
Step by Step Solution
- Step 1: Write the proportion equation
394,220.25 : 864,742.50 = 864,742.50 : x - Step 2: Convert to fraction form
394,220.25/864,742.50 = 864,742.50/x - Step 3: Cross multiply
394,220.25x = 864,742.50 × 864,742.50 - Step 4: Simplify right side
394,220.25x = 747,779,591,306.25 - Step 5: Solve for x
x = 747,779,591,306.25/394,220.25 - Step 6: Final answer
x = 1,896,857.38
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.