Finding the Third Proportional to 11,998.13 and 31,605.19
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Solution
The third proportional to 11,998.13 and 31,605.19 is: 83,253.66
Step by Step Solution
- Step 1: Write the proportion equation
11,998.13 : 31,605.19 = 31,605.19 : x - Step 2: Convert to fraction form
11,998.13/31,605.19 = 31,605.19/x - Step 3: Cross multiply
11,998.13x = 31,605.19 × 31,605.19 - Step 4: Simplify right side
11,998.13x = 998,887,876.91 - Step 5: Solve for x
x = 998,887,876.91/11,998.13 - Step 6: Final answer
x = 83,253.66
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.