Finding the Third Proportional to 419,872,450 and 916,153,828
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Solution
The third proportional to 419,872,450 and 916,153,828 is: 1,999,030,506.91
Step by Step Solution
- Step 1: Write the proportion equation
419,872,450 : 916,153,828 = 916,153,828 : x - Step 2: Convert to fraction form
419,872,450/916,153,828 = 916,153,828/x - Step 3: Cross multiply
419,872,450x = 916,153,828 × 916,153,828 - Step 4: Simplify right side
419,872,450x = 839,337,836,559,053,568 - Step 5: Solve for x
x = 839,337,836,559,053,568/419,872,450 - Step 6: Final answer
x = 1,999,030,506.91
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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.