Finding the Third Proportional to 393,577,962.19 and 911,157,121.69
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Solution
The third proportional to 393,577,962.19 and 911,157,121.69 is: 2,109,384,620.49
Step by Step Solution
- Step 1: Write the proportion equation
393,577,962.19 : 911,157,121.69 = 911,157,121.69 : x - Step 2: Convert to fraction form
393,577,962.19/911,157,121.69 = 911,157,121.69/x - Step 3: Cross multiply
393,577,962.19x = 911,157,121.69 × 911,157,121.69 - Step 4: Simplify right side
393,577,962.19x = 830,207,300,401,849,728 - Step 5: Solve for x
x = 830,207,300,401,849,728/393,577,962.19 - Step 6: Final answer
x = 2,109,384,620.49
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Why These Related Problems?
These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.