Finding the Third Proportional to 71,989,242.75 and 115,926,400.13
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Solution
The third proportional to 71,989,242.75 and 115,926,400.13 is: 186,679,700.09
Step by Step Solution
- Step 1: Write the proportion equation
71,989,242.75 : 115,926,400.13 = 115,926,400.13 : x - Step 2: Convert to fraction form
71,989,242.75/115,926,400.13 = 115,926,400.13/x - Step 3: Cross multiply
71,989,242.75x = 115,926,400.13 × 115,926,400.13 - Step 4: Simplify right side
71,989,242.75x = 13,438,930,245,941,600 - Step 5: Solve for x
x = 13,438,930,245,941,600/71,989,242.75 - Step 6: Final answer
x = 186,679,700.09
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Why These Related Problems?
These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.