Finding the Third Proportional to 45,482,985 and 74,261,772
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Solution
The third proportional to 45,482,985 and 74,261,772 is: 121,249,974.70
Step by Step Solution
- Step 1: Write the proportion equation
45,482,985 : 74,261,772 = 74,261,772 : x - Step 2: Convert to fraction form
45,482,985/74,261,772 = 74,261,772/x - Step 3: Cross multiply
45,482,985x = 74,261,772 × 74,261,772 - Step 4: Simplify right side
45,482,985x = 5,514,810,780,579,984 - Step 5: Solve for x
x = 5,514,810,780,579,984/45,482,985 - Step 6: Final answer
x = 121,249,974.70
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Why These Related Problems?
These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.