Finding the Third Proportional to 427,830.75 and 657,663.75
Calculator
Solution
The third proportional to 427,830.75 and 657,663.75 is: 1,010,964.28
Step by Step Solution
- Step 1: Write the proportion equation
427,830.75 : 657,663.75 = 657,663.75 : x - Step 2: Convert to fraction form
427,830.75/657,663.75 = 657,663.75/x - Step 3: Cross multiply
427,830.75x = 657,663.75 × 657,663.75 - Step 4: Simplify right side
427,830.75x = 432,521,608,064.06 - Step 5: Solve for x
x = 432,521,608,064.06/427,830.75 - Step 6: Final answer
x = 1,010,964.28
Related Problems
Find third proportional to 213,915.38 and 328,831.88
Half scale
Find third proportional to 855,661.50 and 1,315,327.50
Double scale
Find third proportional to 427,833 and 657,667
Similar ratio
Find third proportional to 641,746.13 and 986,495.63
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.