Finding the Third Proportional to 393,550,750 and 861,237,830
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Solution
The third proportional to 393,550,750 and 861,237,830 is: 1,884,713,978.62
Step by Step Solution
- Step 1: Write the proportion equation
393,550,750 : 861,237,830 = 861,237,830 : x - Step 2: Convert to fraction form
393,550,750/861,237,830 = 861,237,830/x - Step 3: Cross multiply
393,550,750x = 861,237,830 × 861,237,830 - Step 4: Simplify right side
393,550,750x = 741,730,599,823,108,864 - Step 5: Solve for x
x = 741,730,599,823,108,864/393,550,750 - Step 6: Final answer
x = 1,884,713,978.62
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.