Finding the Third Proportional to 379,987,732 and 829,936,136
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Solution
The third proportional to 379,987,732 and 829,936,136 is: 1,812,674,283.49
Step by Step Solution
- Step 1: Write the proportion equation
379,987,732 : 829,936,136 = 829,936,136 : x - Step 2: Convert to fraction form
379,987,732/829,936,136 = 829,936,136/x - Step 3: Cross multiply
379,987,732x = 829,936,136 × 829,936,136 - Step 4: Simplify right side
379,987,732x = 688,793,989,838,610,432 - Step 5: Solve for x
x = 688,793,989,838,610,432/379,987,732 - Step 6: Final answer
x = 1,812,674,283.49
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.