Finding the Third Proportional to 991,351.48 and 2,171,605.08
Calculator
Solution
The third proportional to 991,351.48 and 2,171,605.08 is: 4,757,009.73
Step by Step Solution
- Step 1: Write the proportion equation
991,351.48 : 2,171,605.08 = 2,171,605.08 : x - Step 2: Convert to fraction form
991,351.48/2,171,605.08 = 2,171,605.08/x - Step 3: Cross multiply
991,351.48x = 2,171,605.08 × 2,171,605.08 - Step 4: Simplify right side
991,351.48x = 4,715,868,615,338.29 - Step 5: Solve for x
x = 4,715,868,615,338.29/991,351.48 - Step 6: Final answer
x = 4,757,009.73
Related Problems
Find third proportional to 495,675.74 and 1,085,802.54
Half scale
Find third proportional to 1,982,702.95 and 4,343,210.16
Double scale
Find third proportional to 991,353 and 2,171,609
Similar ratio
Find third proportional to 1,487,027.21 and 3,257,407.62
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.