Finding the Third Proportional to 437,208.05 and 643,309.17
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Solution
The third proportional to 437,208.05 and 643,309.17 is: 946,566.96
Step by Step Solution
- Step 1: Write the proportion equation
437,208.05 : 643,309.17 = 643,309.17 : x - Step 2: Convert to fraction form
437,208.05/643,309.17 = 643,309.17/x - Step 3: Cross multiply
437,208.05x = 643,309.17 × 643,309.17 - Step 4: Simplify right side
437,208.05x = 413,846,690,618.50 - Step 5: Solve for x
x = 413,846,690,618.50/437,208.05 - Step 6: Final answer
x = 946,566.96
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.