Finding the Third Proportional to 7,878 and 16,572
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Solution
The third proportional to 7,878 and 16,572 is: 34,860.52
Step by Step Solution
- Step 1: Write the proportion equation
7,878 : 16,572 = 16,572 : x - Step 2: Convert to fraction form
7,878/16,572 = 16,572/x - Step 3: Cross multiply
7,878x = 16,572 × 16,572 - Step 4: Simplify right side
7,878x = 274,631,184 - Step 5: Solve for x
x = 274,631,184/7,878 - Step 6: Final answer
x = 34,860.52
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Why These Related Problems?
These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.