Finding the Third Proportional to 426,663 and 921,651.75
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Solution
The third proportional to 426,663 and 921,651.75 is: 1,990,896.68
Step by Step Solution
- Step 1: Write the proportion equation
426,663 : 921,651.75 = 921,651.75 : x - Step 2: Convert to fraction form
426,663/921,651.75 = 921,651.75/x - Step 3: Cross multiply
426,663x = 921,651.75 × 921,651.75 - Step 4: Simplify right side
426,663x = 849,441,948,278.06 - Step 5: Solve for x
x = 849,441,948,278.06/426,663 - Step 6: Final answer
x = 1,990,896.68
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.