Finding the Third Proportional to 1,167 and 1,788
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Solution
The third proportional to 1,167 and 1,788 is: 2,739.46
Step by Step Solution
- Step 1: Write the proportion equation
1,167 : 1,788 = 1,788 : x - Step 2: Convert to fraction form
1,167/1,788 = 1,788/x - Step 3: Cross multiply
1,167x = 1,788 × 1,788 - Step 4: Simplify right side
1,167x = 3,196,944 - Step 5: Solve for x
x = 3,196,944/1,167 - Step 6: Final answer
x = 2,739.46
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.