Finding the Third Proportional to 9,213,840 and 19,840,482
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Solution
The third proportional to 9,213,840 and 19,840,482 is: 42,723,199.66
Step by Step Solution
- Step 1: Write the proportion equation
9,213,840 : 19,840,482 = 19,840,482 : x - Step 2: Convert to fraction form
9,213,840/19,840,482 = 19,840,482/x - Step 3: Cross multiply
9,213,840x = 19,840,482 × 19,840,482 - Step 4: Simplify right side
9,213,840x = 393,644,725,992,324 - Step 5: Solve for x
x = 393,644,725,992,324/9,213,840 - Step 6: Final answer
x = 42,723,199.66
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.