Finding the Third Proportional to 869,515 and 1,201,505
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Solution
The third proportional to 869,515 and 1,201,505 is: 1,660,252.28
Step by Step Solution
- Step 1: Write the proportion equation
869,515 : 1,201,505 = 1,201,505 : x - Step 2: Convert to fraction form
869,515/1,201,505 = 1,201,505/x - Step 3: Cross multiply
869,515x = 1,201,505 × 1,201,505 - Step 4: Simplify right side
869,515x = 1,443,614,265,025 - Step 5: Solve for x
x = 1,443,614,265,025/869,515 - Step 6: Final answer
x = 1,660,252.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.