Finding the Third Proportional to 17,988 and 28,155
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Solution
The third proportional to 17,988 and 28,155 is: 44,068.49
Step by Step Solution
- Step 1: Write the proportion equation
17,988 : 28,155 = 28,155 : x - Step 2: Convert to fraction form
17,988/28,155 = 28,155/x - Step 3: Cross multiply
17,988x = 28,155 × 28,155 - Step 4: Simplify right side
17,988x = 792,704,025 - Step 5: Solve for x
x = 792,704,025/17,988 - Step 6: Final answer
x = 44,068.49
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Why These Related Problems?
These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.