Finding the Third Proportional to 688,398.75 and 1,491,183
Calculator
Solution
The third proportional to 688,398.75 and 1,491,183 is: 3,230,143.49
Step by Step Solution
- Step 1: Write the proportion equation
688,398.75 : 1,491,183 = 1,491,183 : x - Step 2: Convert to fraction form
688,398.75/1,491,183 = 1,491,183/x - Step 3: Cross multiply
688,398.75x = 1,491,183 × 1,491,183 - Step 4: Simplify right side
688,398.75x = 2,223,626,739,489 - Step 5: Solve for x
x = 2,223,626,739,489/688,398.75 - Step 6: Final answer
x = 3,230,143.49
Related Problems
Find third proportional to 344,199.38 and 745,591.50
Half scale
Find third proportional to 1,376,797.50 and 2,982,366
Double scale
Find third proportional to 688,401 and 1,491,187
Similar ratio
Find third proportional to 1,032,598.13 and 2,236,774.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.