Finding the Third Proportional to 84,178,791 and 180,888,876
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Solution
The third proportional to 84,178,791 and 180,888,876 is: 388,705,813.80
Step by Step Solution
- Step 1: Write the proportion equation
84,178,791 : 180,888,876 = 180,888,876 : x - Step 2: Convert to fraction form
84,178,791/180,888,876 = 180,888,876/x - Step 3: Cross multiply
84,178,791x = 180,888,876 × 180,888,876 - Step 4: Simplify right side
84,178,791x = 32,720,785,460,543,376 - Step 5: Solve for x
x = 32,720,785,460,543,376/84,178,791 - Step 6: Final answer
x = 388,705,813.80
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.