Finding the Third Proportional to 66,313.13 and 135,690.19
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Solution
The third proportional to 66,313.13 and 135,690.19 is: 277,649.82
Step by Step Solution
- Step 1: Write the proportion equation
66,313.13 : 135,690.19 = 135,690.19 : x - Step 2: Convert to fraction form
66,313.13/135,690.19 = 135,690.19/x - Step 3: Cross multiply
66,313.13x = 135,690.19 × 135,690.19 - Step 4: Simplify right side
66,313.13x = 18,411,826,983.79 - Step 5: Solve for x
x = 18,411,826,983.79/66,313.13 - Step 6: Final answer
x = 277,649.82
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.