Finding the Third Proportional to 117,711.75 and 257,430.75
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Solution
The third proportional to 117,711.75 and 257,430.75 is: 562,990.45
Step by Step Solution
- Step 1: Write the proportion equation
117,711.75 : 257,430.75 = 257,430.75 : x - Step 2: Convert to fraction form
117,711.75/257,430.75 = 257,430.75/x - Step 3: Cross multiply
117,711.75x = 257,430.75 × 257,430.75 - Step 4: Simplify right side
117,711.75x = 66,270,591,045.56 - Step 5: Solve for x
x = 66,270,591,045.56/117,711.75 - Step 6: Final answer
x = 562,990.45
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.