Finding the Third Proportional to 419,315,106.75 and 912,260,615.81
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Solution
The third proportional to 419,315,106.75 and 912,260,615.81 is: 1,984,711,301.28
Step by Step Solution
- Step 1: Write the proportion equation
419,315,106.75 : 912,260,615.81 = 912,260,615.81 : x - Step 2: Convert to fraction form
419,315,106.75/912,260,615.81 = 912,260,615.81/x - Step 3: Cross multiply
419,315,106.75x = 912,260,615.81 × 912,260,615.81 - Step 4: Simplify right side
419,315,106.75x = 832,219,431,162,601,728 - Step 5: Solve for x
x = 832,219,431,162,601,728/419,315,106.75 - Step 6: Final answer
x = 1,984,711,301.28
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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.