Finding the Third Proportional to 21,578,856 and 46,235,637
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Solution
The third proportional to 21,578,856 and 46,235,637 is: 99,066,147.38
Step by Step Solution
- Step 1: Write the proportion equation
21,578,856 : 46,235,637 = 46,235,637 : x - Step 2: Convert to fraction form
21,578,856/46,235,637 = 46,235,637/x - Step 3: Cross multiply
21,578,856x = 46,235,637 × 46,235,637 - Step 4: Simplify right side
21,578,856x = 2,137,734,128,795,769 - Step 5: Solve for x
x = 2,137,734,128,795,769/21,578,856 - Step 6: Final answer
x = 99,066,147.38
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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.