Finding the Third Proportional to 640,165 and 1,379,575
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Solution
The third proportional to 640,165 and 1,379,575 is: 2,973,025.99
Step by Step Solution
- Step 1: Write the proportion equation
640,165 : 1,379,575 = 1,379,575 : x - Step 2: Convert to fraction form
640,165/1,379,575 = 1,379,575/x - Step 3: Cross multiply
640,165x = 1,379,575 × 1,379,575 - Step 4: Simplify right side
640,165x = 1,903,227,180,625 - Step 5: Solve for x
x = 1,903,227,180,625/640,165 - Step 6: Final answer
x = 2,973,025.99
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.