Finding the Third Proportional to 418,379,460 and 912,090,765
Calculator
Solution
The third proportional to 418,379,460 and 912,090,765 is: 1,988,409,191.02
Step by Step Solution
- Step 1: Write the proportion equation
418,379,460 : 912,090,765 = 912,090,765 : x - Step 2: Convert to fraction form
418,379,460/912,090,765 = 912,090,765/x - Step 3: Cross multiply
418,379,460x = 912,090,765 × 912,090,765 - Step 4: Simplify right side
418,379,460x = 831,909,563,598,285,184 - Step 5: Solve for x
x = 831,909,563,598,285,184/418,379,460 - Step 6: Final answer
x = 1,988,409,191.02
Related Problems
Find third proportional to 209,189,730 and 456,045,382.50
Half scale
Find third proportional to 836,758,920 and 1,824,181,530
Double scale
Find third proportional to 418,379,462 and 912,090,769
Similar ratio
Find third proportional to 627,569,190 and 1,368,136,147.50
1.5x scale
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.