Finding the Third Proportional to 7,700.25 and 11,946.75
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Solution
The third proportional to 7,700.25 and 11,946.75 is: 18,535.09
Step by Step Solution
- Step 1: Write the proportion equation
7,700.25 : 11,946.75 = 11,946.75 : x - Step 2: Convert to fraction form
7,700.25/11,946.75 = 11,946.75/x - Step 3: Cross multiply
7,700.25x = 11,946.75 × 11,946.75 - Step 4: Simplify right side
7,700.25x = 142,724,835.56 - Step 5: Solve for x
x = 142,724,835.56/7,700.25 - Step 6: Final answer
x = 18,535.09
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.