Finding the Third Proportional to 380,712,654 and 513,670,756.50
Calculator
Solution
The third proportional to 380,712,654 and 513,670,756.50 is: 693,062,453.56
Step by Step Solution
- Step 1: Write the proportion equation
380,712,654 : 513,670,756.50 = 513,670,756.50 : x - Step 2: Convert to fraction form
380,712,654/513,670,756.50 = 513,670,756.50/x - Step 3: Cross multiply
380,712,654x = 513,670,756.50 × 513,670,756.50 - Step 4: Simplify right side
380,712,654x = 263,857,646,083,282,304 - Step 5: Solve for x
x = 263,857,646,083,282,304/380,712,654 - Step 6: Final answer
x = 693,062,453.56
Related Problems
Find third proportional to 190,356,327 and 256,835,378.25
Half scale
Find third proportional to 761,425,308 and 1,027,341,513
Double scale
Find third proportional to 380,712,656 and 513,670,759
Similar ratio
Find third proportional to 571,068,981 and 770,506,134.75
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.