Finding the Third Proportional to 877,934.20 and 1,915,405.68
Calculator
Solution
The third proportional to 877,934.20 and 1,915,405.68 is: 4,178,876.84
Step by Step Solution
- Step 1: Write the proportion equation
877,934.20 : 1,915,405.68 = 1,915,405.68 : x - Step 2: Convert to fraction form
877,934.20/1,915,405.68 = 1,915,405.68/x - Step 3: Cross multiply
877,934.20x = 1,915,405.68 × 1,915,405.68 - Step 4: Simplify right side
877,934.20x = 3,668,778,900,009.92 - Step 5: Solve for x
x = 3,668,778,900,009.92/877,934.20 - Step 6: Final answer
x = 4,178,876.84
Related Problems
Find third proportional to 438,967.10 and 957,702.84
Half scale
Find third proportional to 1,755,868.40 and 3,830,811.35
Double scale
Find third proportional to 877,936 and 1,915,410
Similar ratio
Find third proportional to 1,316,901.30 and 2,873,108.51
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.