Finding the Third Proportional to 33,474 and 72,781.50
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Solution
The third proportional to 33,474 and 72,781.50 is: 158,246.60
Step by Step Solution
- Step 1: Write the proportion equation
33,474 : 72,781.50 = 72,781.50 : x - Step 2: Convert to fraction form
33,474/72,781.50 = 72,781.50/x - Step 3: Cross multiply
33,474x = 72,781.50 × 72,781.50 - Step 4: Simplify right side
33,474x = 5,297,146,742.25 - Step 5: Solve for x
x = 5,297,146,742.25/33,474 - Step 6: Final answer
x = 158,246.60
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.