Finding the Third Proportional to 691,148 and 1,081,868
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Solution
The third proportional to 691,148 and 1,081,868 is: 1,693,469.95
Step by Step Solution
- Step 1: Write the proportion equation
691,148 : 1,081,868 = 1,081,868 : x - Step 2: Convert to fraction form
691,148/1,081,868 = 1,081,868/x - Step 3: Cross multiply
691,148x = 1,081,868 × 1,081,868 - Step 4: Simplify right side
691,148x = 1,170,438,369,424 - Step 5: Solve for x
x = 1,170,438,369,424/691,148 - Step 6: Final answer
x = 1,693,469.95
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.