Finding the Third Proportional to 1,878 and 4,110
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Solution
The third proportional to 1,878 and 4,110 is: 8,994.73
Step by Step Solution
- Step 1: Write the proportion equation
1,878 : 4,110 = 4,110 : x - Step 2: Convert to fraction form
1,878/4,110 = 4,110/x - Step 3: Cross multiply
1,878x = 4,110 × 4,110 - Step 4: Simplify right side
1,878x = 16,892,100 - Step 5: Solve for x
x = 16,892,100/1,878 - Step 6: Final answer
x = 8,994.73
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.