Finding the Third Proportional to 395,895,309 and 869,831,526
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Solution
The third proportional to 395,895,309 and 869,831,526 is: 1,911,128,690.90
Step by Step Solution
- Step 1: Write the proportion equation
395,895,309 : 869,831,526 = 869,831,526 : x - Step 2: Convert to fraction form
395,895,309/869,831,526 = 869,831,526/x - Step 3: Cross multiply
395,895,309x = 869,831,526 × 869,831,526 - Step 4: Simplify right side
395,895,309x = 756,606,883,623,488,640 - Step 5: Solve for x
x = 756,606,883,623,488,640/395,895,309 - Step 6: Final answer
x = 1,911,128,690.90
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Why These Related Problems?
These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.