Finding the Third Proportional to 399,195.84 and 606,414.09
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Solution
The third proportional to 399,195.84 and 606,414.09 is: 921,197.10
Step by Step Solution
- Step 1: Write the proportion equation
399,195.84 : 606,414.09 = 606,414.09 : x - Step 2: Convert to fraction form
399,195.84/606,414.09 = 606,414.09/x - Step 3: Cross multiply
399,195.84x = 606,414.09 × 606,414.09 - Step 4: Simplify right side
399,195.84x = 367,738,053,098.63 - Step 5: Solve for x
x = 367,738,053,098.63/399,195.84 - Step 6: Final answer
x = 921,197.10
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Why These Related Problems?
These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.