Finding the Third Proportional to 121,579,551 and 261,623,868.75
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Solution
The third proportional to 121,579,551 and 261,623,868.75 is: 562,981,588.08
Step by Step Solution
- Step 1: Write the proportion equation
121,579,551 : 261,623,868.75 = 261,623,868.75 : x - Step 2: Convert to fraction form
121,579,551/261,623,868.75 = 261,623,868.75/x - Step 3: Cross multiply
121,579,551x = 261,623,868.75 × 261,623,868.75 - Step 4: Simplify right side
121,579,551x = 68,447,048,699,717,224 - Step 5: Solve for x
x = 68,447,048,699,717,224/121,579,551 - Step 6: Final answer
x = 562,981,588.08
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.