Finding the Third Proportional to 388,869,644.81 and 568,541,013.19
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Solution
The third proportional to 388,869,644.81 and 568,541,013.19 is: 831,226,833.95
Step by Step Solution
- Step 1: Write the proportion equation
388,869,644.81 : 568,541,013.19 = 568,541,013.19 : x - Step 2: Convert to fraction form
388,869,644.81/568,541,013.19 = 568,541,013.19/x - Step 3: Cross multiply
388,869,644.81x = 568,541,013.19 × 568,541,013.19 - Step 4: Simplify right side
388,869,644.81x = 323,238,883,676,269,056 - Step 5: Solve for x
x = 323,238,883,676,269,056/388,869,644.81 - Step 6: Final answer
x = 831,226,833.95
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.