Finding the Third Proportional to 7,784,962 and 12,396,941
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Solution
The third proportional to 7,784,962 and 12,396,941 is: 19,741,155.60
Step by Step Solution
- Step 1: Write the proportion equation
7,784,962 : 12,396,941 = 12,396,941 : x - Step 2: Convert to fraction form
7,784,962/12,396,941 = 12,396,941/x - Step 3: Cross multiply
7,784,962x = 12,396,941 × 12,396,941 - Step 4: Simplify right side
7,784,962x = 153,684,146,157,481 - Step 5: Solve for x
x = 153,684,146,157,481/7,784,962 - Step 6: Final answer
x = 19,741,155.60
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Why These Related Problems?
These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.