Finding the Third Proportional to 7,221,981.75 and 11,218,614.75
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Solution
The third proportional to 7,221,981.75 and 11,218,614.75 is: 17,426,977.98
Step by Step Solution
- Step 1: Write the proportion equation
7,221,981.75 : 11,218,614.75 = 11,218,614.75 : x - Step 2: Convert to fraction form
7,221,981.75/11,218,614.75 = 11,218,614.75/x - Step 3: Cross multiply
7,221,981.75x = 11,218,614.75 × 11,218,614.75 - Step 4: Simplify right side
7,221,981.75x = 125,857,316,908,917.56 - Step 5: Solve for x
x = 125,857,316,908,917.56/7,221,981.75 - Step 6: Final answer
x = 17,426,977.98
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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.