Finding the Third Proportional to 918 and 1,348
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Solution
The third proportional to 918 and 1,348 is: 1,979.42
Step by Step Solution
- Step 1: Write the proportion equation
918 : 1,348 = 1,348 : x - Step 2: Convert to fraction form
918/1,348 = 1,348/x - Step 3: Cross multiply
918x = 1,348 × 1,348 - Step 4: Simplify right side
918x = 1,817,104 - Step 5: Solve for x
x = 1,817,104/918 - Step 6: Final answer
x = 1,979.42
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.