Finding the Third Proportional to 129,932,553 and 288,915,975.75
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Solution
The third proportional to 129,932,553 and 288,915,975.75 is: 642,429,007.33
Step by Step Solution
- Step 1: Write the proportion equation
129,932,553 : 288,915,975.75 = 288,915,975.75 : x - Step 2: Convert to fraction form
129,932,553/288,915,975.75 = 288,915,975.75/x - Step 3: Cross multiply
129,932,553x = 288,915,975.75 × 288,915,975.75 - Step 4: Simplify right side
129,932,553x = 83,472,441,043,574,592 - Step 5: Solve for x
x = 83,472,441,043,574,592/129,932,553 - Step 6: Final answer
x = 642,429,007.33
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.