Finding the Third Proportional to 14,213,778 and 20,257,515
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Solution
The third proportional to 14,213,778 and 20,257,515 is: 28,871,065.38
Step by Step Solution
- Step 1: Write the proportion equation
14,213,778 : 20,257,515 = 20,257,515 : x - Step 2: Convert to fraction form
14,213,778/20,257,515 = 20,257,515/x - Step 3: Cross multiply
14,213,778x = 20,257,515 × 20,257,515 - Step 4: Simplify right side
14,213,778x = 410,366,913,975,225 - Step 5: Solve for x
x = 410,366,913,975,225/14,213,778 - Step 6: Final answer
x = 28,871,065.38
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.