Finding the Third Proportional to 86,198,830 and 191,529,532
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Solution
The third proportional to 86,198,830 and 191,529,532 is: 425,569,136.24
Step by Step Solution
- Step 1: Write the proportion equation
86,198,830 : 191,529,532 = 191,529,532 : x - Step 2: Convert to fraction form
86,198,830/191,529,532 = 191,529,532/x - Step 3: Cross multiply
86,198,830x = 191,529,532 × 191,529,532 - Step 4: Simplify right side
86,198,830x = 36,683,561,628,139,024 - Step 5: Solve for x
x = 36,683,561,628,139,024/86,198,830 - Step 6: Final answer
x = 425,569,136.24
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Why These Related Problems?
These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.