Finding the Third Proportional to 45,306 and 74,877.75
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Solution
The third proportional to 45,306 and 74,877.75 is: 123,751.32
Step by Step Solution
- Step 1: Write the proportion equation
45,306 : 74,877.75 = 74,877.75 : x - Step 2: Convert to fraction form
45,306/74,877.75 = 74,877.75/x - Step 3: Cross multiply
45,306x = 74,877.75 × 74,877.75 - Step 4: Simplify right side
45,306x = 5,606,677,445.06 - Step 5: Solve for x
x = 5,606,677,445.06/45,306 - Step 6: Final answer
x = 123,751.32
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Why These Related Problems?
These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.