Finding the Third Proportional to 292,471,451 and 642,329,755
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Solution
The third proportional to 292,471,451 and 642,329,755 is: 1,410,693,292.45
Step by Step Solution
- Step 1: Write the proportion equation
292,471,451 : 642,329,755 = 642,329,755 : x - Step 2: Convert to fraction form
292,471,451/642,329,755 = 642,329,755/x - Step 3: Cross multiply
292,471,451x = 642,329,755 × 642,329,755 - Step 4: Simplify right side
292,471,451x = 412,587,514,158,360,000 - Step 5: Solve for x
x = 412,587,514,158,360,000/292,471,451 - Step 6: Final answer
x = 1,410,693,292.45
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.