Finding the Third Proportional to 221,772.94 and 339,311.53
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Solution
The third proportional to 221,772.94 and 339,311.53 is: 519,145.02
Step by Step Solution
- Step 1: Write the proportion equation
221,772.94 : 339,311.53 = 339,311.53 : x - Step 2: Convert to fraction form
221,772.94/339,311.53 = 339,311.53/x - Step 3: Cross multiply
221,772.94x = 339,311.53 × 339,311.53 - Step 4: Simplify right side
221,772.94x = 115,132,315,239.22 - Step 5: Solve for x
x = 115,132,315,239.22/221,772.94 - Step 6: Final answer
x = 519,145.02
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.