Finding the Third Proportional to 66,430.13 and 144,129.38
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Solution
The third proportional to 66,430.13 and 144,129.38 is: 312,708.68
Step by Step Solution
- Step 1: Write the proportion equation
66,430.13 : 144,129.38 = 144,129.38 : x - Step 2: Convert to fraction form
66,430.13/144,129.38 = 144,129.38/x - Step 3: Cross multiply
66,430.13x = 144,129.38 × 144,129.38 - Step 4: Simplify right side
66,430.13x = 20,773,276,737.89 - Step 5: Solve for x
x = 20,773,276,737.89/66,430.13 - Step 6: Final answer
x = 312,708.68
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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.