Finding the Third Proportional to 36,043,479 and 74,641,860
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Solution
The third proportional to 36,043,479 and 74,641,860 is: 154,574,625.39
Step by Step Solution
- Step 1: Write the proportion equation
36,043,479 : 74,641,860 = 74,641,860 : x - Step 2: Convert to fraction form
36,043,479/74,641,860 = 74,641,860/x - Step 3: Cross multiply
36,043,479x = 74,641,860 × 74,641,860 - Step 4: Simplify right side
36,043,479x = 5,571,407,264,259,600 - Step 5: Solve for x
x = 5,571,407,264,259,600/36,043,479 - Step 6: Final answer
x = 154,574,625.39
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.