Finding the Third Proportional to 290,709,558 and 446,841,609.75
Calculator
Solution
The third proportional to 290,709,558 and 446,841,609.75 is: 686,827,862.07
Step by Step Solution
- Step 1: Write the proportion equation
290,709,558 : 446,841,609.75 = 446,841,609.75 : x - Step 2: Convert to fraction form
290,709,558/446,841,609.75 = 446,841,609.75/x - Step 3: Cross multiply
290,709,558x = 446,841,609.75 × 446,841,609.75 - Step 4: Simplify right side
290,709,558x = 199,667,424,203,971,296 - Step 5: Solve for x
x = 199,667,424,203,971,296/290,709,558 - Step 6: Final answer
x = 686,827,862.07
Related Problems
Find third proportional to 145,354,779 and 223,420,804.88
Half scale
Find third proportional to 581,419,116 and 893,683,219.50
Double scale
Find third proportional to 290,709,560 and 446,841,613
Similar ratio
Find third proportional to 436,064,337 and 670,262,414.63
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.