Finding the Third Proportional to 128,170,164 and 275,450,184
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Solution
The third proportional to 128,170,164 and 275,450,184 is: 591,969,312.50
Step by Step Solution
- Step 1: Write the proportion equation
128,170,164 : 275,450,184 = 275,450,184 : x - Step 2: Convert to fraction form
128,170,164/275,450,184 = 275,450,184/x - Step 3: Cross multiply
128,170,164x = 275,450,184 × 275,450,184 - Step 4: Simplify right side
128,170,164x = 75,872,803,865,633,856 - Step 5: Solve for x
x = 75,872,803,865,633,856/128,170,164 - Step 6: Final answer
x = 591,969,312.50
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.