Finding the Third Proportional to 392,877,966 and 855,507,572
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Solution
The third proportional to 392,877,966 and 855,507,572 is: 1,862,902,145.42
Step by Step Solution
- Step 1: Write the proportion equation
392,877,966 : 855,507,572 = 855,507,572 : x - Step 2: Convert to fraction form
392,877,966/855,507,572 = 855,507,572/x - Step 3: Cross multiply
392,877,966x = 855,507,572 × 855,507,572 - Step 4: Simplify right side
392,877,966x = 731,893,205,749,335,168 - Step 5: Solve for x
x = 731,893,205,749,335,168/392,877,966 - Step 6: Final answer
x = 1,862,902,145.42
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.