Finding the Third Proportional to 75,421.13 and 156,021.19
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Solution
The third proportional to 75,421.13 and 156,021.19 is: 322,755.87
Step by Step Solution
- Step 1: Write the proportion equation
75,421.13 : 156,021.19 = 156,021.19 : x - Step 2: Convert to fraction form
75,421.13/156,021.19 = 156,021.19/x - Step 3: Cross multiply
75,421.13x = 156,021.19 × 156,021.19 - Step 4: Simplify right side
75,421.13x = 24,342,610,948.91 - Step 5: Solve for x
x = 24,342,610,948.91/75,421.13 - Step 6: Final answer
x = 322,755.87
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Why These Related Problems?
These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.