Finding the Third Proportional to 402,810.75 and 876,768.75
Calculator
Solution
The third proportional to 402,810.75 and 876,768.75 is: 1,908,398.52
Step by Step Solution
- Step 1: Write the proportion equation
402,810.75 : 876,768.75 = 876,768.75 : x - Step 2: Convert to fraction form
402,810.75/876,768.75 = 876,768.75/x - Step 3: Cross multiply
402,810.75x = 876,768.75 × 876,768.75 - Step 4: Simplify right side
402,810.75x = 768,723,440,976.56 - Step 5: Solve for x
x = 768,723,440,976.56/402,810.75 - Step 6: Final answer
x = 1,908,398.52
Related Problems
Find third proportional to 201,405.38 and 438,384.38
Half scale
Find third proportional to 805,621.50 and 1,753,537.50
Double scale
Find third proportional to 402,813 and 876,773
Similar ratio
Find third proportional to 604,216.13 and 1,315,153.13
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.