Finding the Third Proportional to 306,986,832 and 472,337,190
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Solution
The third proportional to 306,986,832 and 472,337,190 is: 726,749,155.99
Step by Step Solution
- Step 1: Write the proportion equation
306,986,832 : 472,337,190 = 472,337,190 : x - Step 2: Convert to fraction form
306,986,832/472,337,190 = 472,337,190/x - Step 3: Cross multiply
306,986,832x = 472,337,190 × 472,337,190 - Step 4: Simplify right side
306,986,832x = 223,102,421,057,096,096 - Step 5: Solve for x
x = 223,102,421,057,096,096/306,986,832 - Step 6: Final answer
x = 726,749,155.99
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.