Finding the Third Proportional to 7,634,128 and 16,640,000
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Solution
The third proportional to 7,634,128 and 16,640,000 is: 36,269,970.85
Step by Step Solution
- Step 1: Write the proportion equation
7,634,128 : 16,640,000 = 16,640,000 : x - Step 2: Convert to fraction form
7,634,128/16,640,000 = 16,640,000/x - Step 3: Cross multiply
7,634,128x = 16,640,000 × 16,640,000 - Step 4: Simplify right side
7,634,128x = 276,889,600,000,000 - Step 5: Solve for x
x = 276,889,600,000,000/7,634,128 - Step 6: Final answer
x = 36,269,970.85
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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.