Finding the Third Proportional to 7,730 and 16,854
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Solution
The third proportional to 7,730 and 16,854 is: 36,747.39
Step by Step Solution
- Step 1: Write the proportion equation
7,730 : 16,854 = 16,854 : x - Step 2: Convert to fraction form
7,730/16,854 = 16,854/x - Step 3: Cross multiply
7,730x = 16,854 × 16,854 - Step 4: Simplify right side
7,730x = 284,057,316 - Step 5: Solve for x
x = 284,057,316/7,730 - Step 6: Final answer
x = 36,747.39
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.