Finding the Third Proportional to 38,631,880 and 81,869,584
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Solution
The third proportional to 38,631,880 and 81,869,584 is: 173,499,937.99
Step by Step Solution
- Step 1: Write the proportion equation
38,631,880 : 81,869,584 = 81,869,584 : x - Step 2: Convert to fraction form
38,631,880/81,869,584 = 81,869,584/x - Step 3: Cross multiply
38,631,880x = 81,869,584 × 81,869,584 - Step 4: Simplify right side
38,631,880x = 6,702,628,784,333,056 - Step 5: Solve for x
x = 6,702,628,784,333,056/38,631,880 - Step 6: Final answer
x = 173,499,937.99
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.