Finding the Third Proportional to 5,430,720.38 and 8,201,440.13
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Solution
The third proportional to 5,430,720.38 and 8,201,440.13 is: 12,385,763.85
Step by Step Solution
- Step 1: Write the proportion equation
5,430,720.38 : 8,201,440.13 = 8,201,440.13 : x - Step 2: Convert to fraction form
5,430,720.38/8,201,440.13 = 8,201,440.13/x - Step 3: Cross multiply
5,430,720.38x = 8,201,440.13 × 8,201,440.13 - Step 4: Simplify right side
5,430,720.38x = 67,263,620,123,960.02 - Step 5: Solve for x
x = 67,263,620,123,960.02/5,430,720.38 - Step 6: Final answer
x = 12,385,763.85
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.