Finding the Third Proportional to 77,879,311 and 121,066,770
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Solution
The third proportional to 77,879,311 and 121,066,770 is: 188,203,549.95
Step by Step Solution
- Step 1: Write the proportion equation
77,879,311 : 121,066,770 = 121,066,770 : x - Step 2: Convert to fraction form
77,879,311/121,066,770 = 121,066,770/x - Step 3: Cross multiply
77,879,311x = 121,066,770 × 121,066,770 - Step 4: Simplify right side
77,879,311x = 14,657,162,798,232,900 - Step 5: Solve for x
x = 14,657,162,798,232,900/77,879,311 - Step 6: Final answer
x = 188,203,549.95
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.