Finding the Third Proportional to 21,578,860 and 46,235,646
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Solution
The third proportional to 21,578,860 and 46,235,646 is: 99,066,167.58
Step by Step Solution
- Step 1: Write the proportion equation
21,578,860 : 46,235,646 = 46,235,646 : x - Step 2: Convert to fraction form
21,578,860/46,235,646 = 46,235,646/x - Step 3: Cross multiply
21,578,860x = 46,235,646 × 46,235,646 - Step 4: Simplify right side
21,578,860x = 2,137,734,961,037,316 - Step 5: Solve for x
x = 2,137,734,961,037,316/21,578,860 - Step 6: Final answer
x = 99,066,167.58
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Why These Related Problems?
These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.