Finding the Third Proportional to 721,364 and 1,121,374
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Solution
The third proportional to 721,364 and 1,121,374 is: 1,743,197.12
Step by Step Solution
- Step 1: Write the proportion equation
721,364 : 1,121,374 = 1,121,374 : x - Step 2: Convert to fraction form
721,364/1,121,374 = 1,121,374/x - Step 3: Cross multiply
721,364x = 1,121,374 × 1,121,374 - Step 4: Simplify right side
721,364x = 1,257,479,647,876 - Step 5: Solve for x
x = 1,257,479,647,876/721,364 - Step 6: Final answer
x = 1,743,197.12
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.