Finding the Third Proportional to 792 and 1,216
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Solution
The third proportional to 792 and 1,216 is: 1,866.99
Step by Step Solution
- Step 1: Write the proportion equation
792 : 1,216 = 1,216 : x - Step 2: Convert to fraction form
792/1,216 = 1,216/x - Step 3: Cross multiply
792x = 1,216 × 1,216 - Step 4: Simplify right side
792x = 1,478,656 - Step 5: Solve for x
x = 1,478,656/792 - Step 6: Final answer
x = 1,866.99
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.