Finding the Third Proportional to 302,478.38 and 658,298.81
Calculator
Solution
The third proportional to 302,478.38 and 658,298.81 is: 1,432,688.62
Step by Step Solution
- Step 1: Write the proportion equation
302,478.38 : 658,298.81 = 658,298.81 : x - Step 2: Convert to fraction form
302,478.38/658,298.81 = 658,298.81/x - Step 3: Cross multiply
302,478.38x = 658,298.81 × 658,298.81 - Step 4: Simplify right side
302,478.38x = 433,357,326,538.91 - Step 5: Solve for x
x = 433,357,326,538.91/302,478.38 - Step 6: Final answer
x = 1,432,688.62
Related Problems
Find third proportional to 151,239.19 and 329,149.41
Half scale
Find third proportional to 604,956.75 and 1,316,597.63
Double scale
Find third proportional to 302,480 and 658,303
Similar ratio
Find third proportional to 453,717.56 and 987,448.22
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.