Finding the Third Proportional to 120,157,747 and 246,685,369
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Solution
The third proportional to 120,157,747 and 246,685,369 is: 506,448,171.66
Step by Step Solution
- Step 1: Write the proportion equation
120,157,747 : 246,685,369 = 246,685,369 : x - Step 2: Convert to fraction form
120,157,747/246,685,369 = 246,685,369/x - Step 3: Cross multiply
120,157,747x = 246,685,369 × 246,685,369 - Step 4: Simplify right side
120,157,747x = 60,853,671,278,666,160 - Step 5: Solve for x
x = 60,853,671,278,666,160/120,157,747 - Step 6: Final answer
x = 506,448,171.66
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Why These Related Problems?
These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.