Finding the Third Proportional to 258,408,497.25 and 397,192,545
Calculator
Solution
The third proportional to 258,408,497.25 and 397,192,545 is: 610,513,661.44
Step by Step Solution
- Step 1: Write the proportion equation
258,408,497.25 : 397,192,545 = 397,192,545 : x - Step 2: Convert to fraction form
258,408,497.25/397,192,545 = 397,192,545/x - Step 3: Cross multiply
258,408,497.25x = 397,192,545 × 397,192,545 - Step 4: Simplify right side
258,408,497.25x = 157,761,917,803,577,024 - Step 5: Solve for x
x = 157,761,917,803,577,024/258,408,497.25 - Step 6: Final answer
x = 610,513,661.44
Related Problems
Find third proportional to 129,204,248.63 and 198,596,272.50
Half scale
Find third proportional to 516,816,994.50 and 794,385,090
Double scale
Find third proportional to 258,408,499 and 397,192,548
Similar ratio
Find third proportional to 387,612,745.88 and 595,788,817.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.