Finding the Third Proportional to 142,690.36 and 307,455.75
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Solution
The third proportional to 142,690.36 and 307,455.75 is: 662,476.70
Step by Step Solution
- Step 1: Write the proportion equation
142,690.36 : 307,455.75 = 307,455.75 : x - Step 2: Convert to fraction form
142,690.36/307,455.75 = 307,455.75/x - Step 3: Cross multiply
142,690.36x = 307,455.75 × 307,455.75 - Step 4: Simplify right side
142,690.36x = 94,529,038,208.06 - Step 5: Solve for x
x = 94,529,038,208.06/142,690.36 - Step 6: Final answer
x = 662,476.70
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.