Finding the Third Proportional to 287,381,979 and 629,170,169.63
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Solution
The third proportional to 287,381,979 and 629,170,169.63 is: 1,377,452,767.65
Step by Step Solution
- Step 1: Write the proportion equation
287,381,979 : 629,170,169.63 = 629,170,169.63 : x - Step 2: Convert to fraction form
287,381,979/629,170,169.63 = 629,170,169.63/x - Step 3: Cross multiply
287,381,979x = 629,170,169.63 × 629,170,169.63 - Step 4: Simplify right side
287,381,979x = 395,855,102,345,951,296 - Step 5: Solve for x
x = 395,855,102,345,951,296/287,381,979 - Step 6: Final answer
x = 1,377,452,767.65
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.