Finding the Third Proportional to 1,876 and 4,690
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Solution
The third proportional to 1,876 and 4,690 is: 11,725
Step by Step Solution
- Step 1: Write the proportion equation
1,876 : 4,690 = 4,690 : x - Step 2: Convert to fraction form
1,876/4,690 = 4,690/x - Step 3: Cross multiply
1,876x = 4,690 × 4,690 - Step 4: Simplify right side
1,876x = 21,996,100 - Step 5: Solve for x
x = 21,996,100/1,876 - Step 6: Final answer
x = 11,725
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These problems maintain the same ratio (2.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.