Finding the Third Proportional to 8,378,722.13 and 12,811,569.19
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Solution
The third proportional to 8,378,722.13 and 12,811,569.19 is: 19,589,658.49
Step by Step Solution
- Step 1: Write the proportion equation
8,378,722.13 : 12,811,569.19 = 12,811,569.19 : x - Step 2: Convert to fraction form
8,378,722.13/12,811,569.19 = 12,811,569.19/x - Step 3: Cross multiply
8,378,722.13x = 12,811,569.19 × 12,811,569.19 - Step 4: Simplify right side
8,378,722.13x = 164,136,305,046,099.41 - Step 5: Solve for x
x = 164,136,305,046,099.41/8,378,722.13 - Step 6: Final answer
x = 19,589,658.49
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.