Finding the Third Proportional to 31,218 and 55,506
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Solution
The third proportional to 31,218 and 55,506 is: 98,690.37
Step by Step Solution
- Step 1: Write the proportion equation
31,218 : 55,506 = 55,506 : x - Step 2: Convert to fraction form
31,218/55,506 = 55,506/x - Step 3: Cross multiply
31,218x = 55,506 × 55,506 - Step 4: Simplify right side
31,218x = 3,080,916,036 - Step 5: Solve for x
x = 3,080,916,036/31,218 - Step 6: Final answer
x = 98,690.37
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Why These Related Problems?
These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.