Finding the Third Proportional to 397,278.75 and 868,828.31
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Solution
The third proportional to 397,278.75 and 868,828.31 is: 1,900,083.09
Step by Step Solution
- Step 1: Write the proportion equation
397,278.75 : 868,828.31 = 868,828.31 : x - Step 2: Convert to fraction form
397,278.75/868,828.31 = 868,828.31/x - Step 3: Cross multiply
397,278.75x = 868,828.31 × 868,828.31 - Step 4: Simplify right side
397,278.75x = 754,862,636,601.60 - Step 5: Solve for x
x = 754,862,636,601.60/397,278.75 - Step 6: Final answer
x = 1,900,083.09
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.