Finding the Third Proportional to 521,864,961.75 and 729,987,072.75
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Solution
The third proportional to 521,864,961.75 and 729,987,072.75 is: 1,021,109,224.49
Step by Step Solution
- Step 1: Write the proportion equation
521,864,961.75 : 729,987,072.75 = 729,987,072.75 : x - Step 2: Convert to fraction form
521,864,961.75/729,987,072.75 = 729,987,072.75/x - Step 3: Cross multiply
521,864,961.75x = 729,987,072.75 × 729,987,072.75 - Step 4: Simplify right side
521,864,961.75x = 532,881,126,382,113,792 - Step 5: Solve for x
x = 532,881,126,382,113,792/521,864,961.75 - Step 6: Final answer
x = 1,021,109,224.49
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.