Finding the Third Proportional to 399,622,245,420 and 862,937,346,110
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Solution
The third proportional to 399,622,245,420 and 862,937,346,110 is: 1,863,411,939,264.63
Step by Step Solution
- Step 1: Write the proportion equation
399,622,245,420 : 862,937,346,110 = 862,937,346,110 : x - Step 2: Convert to fraction form
399,622,245,420/862,937,346,110 = 862,937,346,110/x - Step 3: Cross multiply
399,622,245,420x = 862,937,346,110 × 862,937,346,110 - Step 4: Simplify right side
399,622,245,420x = 744,660,863,311,369,962,782,720 - Step 5: Solve for x
x = 744,660,863,311,369,962,782,720/399,622,245,420 - Step 6: Final answer
x = 1,863,411,939,264.63
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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.