Finding the Third Proportional to 157,861.13 and 348,945.75
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Solution
The third proportional to 157,861.13 and 348,945.75 is: 771,330.73
Step by Step Solution
- Step 1: Write the proportion equation
157,861.13 : 348,945.75 = 348,945.75 : x - Step 2: Convert to fraction form
157,861.13/348,945.75 = 348,945.75/x - Step 3: Cross multiply
157,861.13x = 348,945.75 × 348,945.75 - Step 4: Simplify right side
157,861.13x = 121,763,136,443.06 - Step 5: Solve for x
x = 121,763,136,443.06/157,861.13 - Step 6: Final answer
x = 771,330.73
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These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.